Sumaryczny impact factor: 619.161

Liczba publikacji: 337

1. Chański Michał, Białońska Agata, Jakubas Ryszard, Rok Magdalena, Zaręba Jan K., Janicki Rafał, Durlak Piotr, Piecha-Bisiorek Anna
Progressive Structural Complexity in Ferroelectric 1,2,4-Triazolium Hexabromoantimonate(III): Interplay of "Order-Disorder" and "Displacive" Contributions to the Structural Phase Transitions
Journal of Physical Chemistry Letters, 2023, 14, 4524-4531
IF: 5.7
10.1021/acs.jpclett.3c00924

2. Rowińska Magdalena, Piecha-Bisiorek Anna, Medycki Wojciech, Durlak Piotr, Jakubas Ryszard, Gągor Anna
Structural, Electric and Dynamic Properties of (Pyrrolidinium)₃[Bi₂I₉] and (Pyrrolidinium)₃[Sb₂I₉]: New Lead-Free, Organic–Inorganic Hybrids with Narrow Band Gaps
Molecules, 2023, 28, 3894/1-3894/15
IF: 4.6
10.3390/molecules28093894

3. Szklarz Przemysław, Gągor Anna, Jakubas Ryszard, Medycki Wojciech, Bator Grażyna
Temperature symmetry breaking and properties of lead-free organic–inorganic hybrids: bismuth(III) iodide and antimony(III) iodide: (S(CH₃)₃)₃[Bi₂I₉] and (S(CH₃)₃)₃[Sb₂I₉]
Dalton Transactions, 2023, 52, 11981-11991
IF: 4
10.1039/d3dt01650a

4. Szklarz Przemysław, Jakubas Ryszard, Medycki Wojciech, Gągor Anna, Cichos Jakub, Karbowiak Mirosław, Bator Grażyna
(C₃N₂H₅)₃Sb₂I₉ and (C₃N₂H₅)₃Bi₂I₉: ferroelastic lead-free hybrid perovskite-like materials as potential semiconducting absorbers.
Dalton Transactions, 2022, 51, 1850-1860
IF: 4
10.1039/d1dt03455c

5. Rok Magdalena, Zarychta Bartosz, Trojan-Piegza Joanna, Bil Andrzej, Piecha-Bisiorek Anna, Zaręba Jan K., Medycki Wojciech, Jakubas Ryszard
A one-dimensional perovskite with ferroelectric and switchable nonlinear optical properties: [azetidinium]CdCl₃
Journal of Materials Chemistry C, 2022, 10, 3036-3047
IF: 6.4
10.1039/d1tc05355h

6. Owczarek Magdalena, Lee Minseong, Zapf Vivien, Nie Wanyi, Jakubas Ryszard
Accessing one-dimensional chains of halogenoindates(III) in organic–inorganic hybrids.
Inorganic Chemistry, 2022, 61, 5469-5473
IF: 4.6
10.1021/acs.inorgchem.2c00374

7. Ksiądzyna Martyna, Kinzhybalo Vasyl, Bieńko Alina, Medycki Wojciech, Jakubas Ryszard, Rajnák Cyril, Boča Roman, Ozarowski Andrew, Ozerov Mykhaylo, Piecha-Bisiorek Anna
Symmetry-breaking phase transitions, dielectric and magnetic properties of pyrrolidinium-tetrahalidocobaltates
Inorganic Chemistry Frontiers, 2022, 9, 2353-2364
IF: 7
10.1039/d2qi00187j

8. Mencel Klaudia, Kinzhybalo Vasyl, Jakubas Ryszard, Zaręba Jan K., Szklarz Przemysław, Durlak Piotr, Drozd Marek, Piecha-Bisiorek Anna
0D Bismuth(III)-Based Hybrid Ferroelectric: Tris(acetamidinium) Hexabromobismuthate(III)
Chemistry of Materials, 2021, 33, 8591-8601
IF: 10.508
10.1021/acs.chemmater.1c01266

9. Rok Magdalena, Zarychta Bartosz, Bil Andrzej, Trojan-Piegza Joanna, Medycki Wojciech, Miniewicz Andrzej, Piecha-Bisiorek Anna, Ciżman Agnieszka, Jakubas Ryszard
A multiaxial electrical switching in a one-dimensional organic–inorganic (pyrrolidinium)₂Cd₂I₆ ferroelectric and photoluminescent crystal.
Journal of Materials Chemistry C, 2021, 9, 7665-7676
IF: 8.067
10.1039/d1tc01526e

10. Szklarz Przemysław, Śmiałkowski M., Bator Grażyna , Jakubas Ryszard, Cichos Jakub, Karbowiak Mirosław, Medycki Wojciech, Baran Jan
Phase transitions and properties of 0D hybrid iodoantimonate(III) and iodobismuthate(III) semiconducting ferroics: [C(NH₂)₃]₃Bi₂I₉ and [C(NH₂)₃]₃Sb₂I₉.
Journal of Molecular Structure, 2021, 1226, 129387/1-129387/10
IF: 3.841
10.1016/j.molstruc.2020.129387

11. Owczarek Magdalena, Szklarz Przemysław, Jakubas Ryszard
Towards ferroelectricity-inducing chains of halogenoantimonates(III) and halogenobismuthates(III).
RSC Advances, 2021, 11, 17574-17586
IF: 4.036
10.1039/d0ra10151f

12. Szklarz Przemysław, Jakubas Ryszard, Gągor Anna, Bator Grażyna , Cichos Jakub, Karbowiak Mirosław
[NH₂CHNH₂]₃Sb₂I₉ : a lead-free and low-toxicity organic–inorganic hybrid ferroelectric based on antimony(III) as a potential semiconducting absorber.
Inorganic Chemistry Frontiers, 2020, 7, 1780-1789
IF: 6.569
10.1039/d0qi00137f

13. Rok Magdalena, Starynowicz Przemysław, Ciżman Agnieszka, Zaręba Jan K., Piecha-Bisiorek Anna, Bator Grażyna , Jakubas Ryszard
Advances and property investigations of an organic–inorganic ferroelectric: (diisopropylammonium)₂[CdBr₄]
Inorganic Chemistry, 2020, 59, 11986-11994
IF: 5.165
10.1021/acs.inorgchem.0c00830

14. Jakubas Ryszard, Rok Magdalena, Mencel Klaudia, Bator Grażyna , Piecha-Bisiorek Anna
Correlation between crystal structures and polar (ferroelectric) properties of hybrids of haloantimonates(III) and halobismuthates(III).
Inorganic Chemistry Frontiers, 2020, 7, 2107-2128
IF: 6.569
10.1039/d0qi00265h

15. Mencel Klaudia, Gągor Anna, Jakubas Ryszard, Ciżman Agnieszka, Medycki Wojciech, Zaręba Jan K., Piecha-Bisiorek Anna
Ferroelectricity in a lead free organic–inorganic 0D hybrid: formamidinium bromoantimonate(III).
Journal of Materials Chemistry C, 2020, 8, 5025-5028
IF: 7.393
10.1039/d0tc00168f

16. Jakubas Ryszard, Gągor Anna, Winiarski Maciej J., Ptak Maciej, Piecha-Bisiorek Anna, Ciżman Agnieszka
Ferroelectricity in ethylammonium bismuth-based organic–inorganic hybrid: (C₂H₅NH₃)₂[BiBr₅].
Inorganic Chemistry, 2020, 59, 3417-3427
IF: 5.165
10.1021/acs.inorgchem.9b03193

17. Moskwa Marcin, Ganczar Emilia, Sobieszczyk Paweł, Medycki Wojciech, Zieliński Piotr, Jakubas Ryszard, Bator Grażyna
Temperature-stimulus responsive ferroelastic molecular–ionic crystal: (C₈H₂₀N)[BF₄].
Journal of Physical Chemistry C, 2020, 124, 18209-18218
IF: 4.126
10.1021/acs.jpcc.0c05322

18. Ksiądzyna Martyna, Gągor Anna, Piecha-Bisiorek Anna, Ciżman Agnieszka, Medycki Wojciech, Jakubas Ryszard
Exploring a hybrid ferroelectric with a 1-D perovskite-like structure: bis(pyrrolidinium) pentachloroantimonate(III).
Journal of Materials Chemistry C, 2019, 7, 10360-10370
IF: 7.059
10.1039/c9tc02849h

19. Mencel Klaudia, Piecha-Bisiorek Anna, Jakubas Ryszard, Kinzhybalo Vasyl V., Medycki Wojciech
Hybrid organic-inorganic bismuth(III)-based material [4-NH₂C₅H₄NH]₇[BiCl₆]₂Cl. Crystal structure, dielectric properties and molecular motions of 4-aminopyridinium cations.

Journal of Molecular Structure, 2019, 1179, 297-303
IF: 2.463
10.1016/j.molstruc.2018.10.096

20. Szklarz Przemysław, Gągor Anna, Jakubas Ryszard, Zieliński Piotr, Piecha-Bisiorek Anna, Cichos Jakub, Karbowiak Mirosław, Bator Grażyna , Ciżman Agnieszka
Lead-free hybrid ferroelectric material based on formamidine: [NH₂CHNH₂]₃Bi₂I₉.
Journal of Materials Chemistry C, 2019, 7, 3003-3014
IF: 7.059
10.1039/c8tc06458j

21. Miniewicz Andrzej, Bartkiewicz Stanisław, Wojaczyńska Elżbieta, Galica Tomasz, Zalesny Robert, Jakubas Ryszard
Second harmonic generation in nonlinear optical crystals formed from propellane-type molecules.
Journal of Materials Chemistry C, 2019, 7, 1255-1262
IF: 7.059
10.1039/c8tc05268a

22. Mencel Klaudia, Starynowicz Przemysław, Siczek Miłosz, Piecha-Bisiorek Anna, Jakubas Ryszard, Medycki Wojciech
Symmetry breaking structural phase transitions, dielectric properties and molecular motions of formamidinium cations in 1D and 2D hybrid compounds: (NH₂CHNH₂)₃[Bi₂Cl₉] and (NH₂CHNH₂)₃[Bi₂Br₉]
Dalton Transactions, 2019, 48, 14829-14838
IF: 4.174
10.1039/c9dt02916h

23. Piecha-Bisiorek Anna, Mencel Klaudia, Kinzhybalo Vasyl V., Szota Aleksandra, Jakubas Ryszard, Medycki Wojciech, Zawrocki Wiktor
Ferroelasticity and piezoelectricity of organic-inorganic hybrid materials with a one-dimensional anionic structure: so similar, yet so different.
CrystEngComm, 2018, 20, 2112-2119
IF: 3.382
10.1039/c8ce00140e

24. Wojciechowska Martyna, Gągor Anna, Piecha-Bisiorek Anna, Jakubas Ryszard, Ciżman Agnieszka, Zaręba Jan K., Nyk Marcin, Zieliński Piotr, Medycki Wojciech, Bil Andrzej
Ferroelectricity and ferroelasticity in organic inorganic hybrid (Pyrrolidinium)₃[Sb₂Cl₉].
Chemistry of Materials, 2018, 30, 4597-4608
IF: 10.159
10.1021/acs.chemmater.8b00962

25. Moskwa Marcin, Bator Grażyna , Rok Magdalena, Medycki Wojciech, Miniewicz Andrzej, Jakubas Ryszard
Investigations of organic–inorganic hybrids based on homopiperidinium cation with haloantimonates(III) and halobismuthates(III) : crystal structures, reversible phase transitions, semiconducting and molecular dynamic properties.
Dalton Transactions, 2018, 47, 13507-13522
IF: 4.052
10.1039/c8dt03121e

26. Owczarek Magdalena T., Szklarz Przemysław, Moskwa Marcin, Jakubas Ryszard
Morpholinium chloroindate(III) complex: a rare acentric structural arrangement leading to piezoelectric properties.
CrystEngComm, 2018, 20, 703-709
IF: 3.382
10.1039/c7ce01756a

27. Szklarz Przemysław, Jakubas Ryszard, Piecha-Bisiorek Anna, Bator Grażyna , Chański Michał, Medycki Wojciech, Wuttke J.
Organic-inorganic hybrid crystals, (2,4,6-CH₃PyH)₃Sb₂Cl₉ and (2,4,6-CH₃PyH)₃Bi₂Cl₉. Crystal structure characterization and tunneling of CH₃ groups studied by ¹H NMR and neutron spectroscopy.
Polyhedron, 2018, 139, 249-256
IF: 2.284
10.1016/j.poly.2017.10.030

28. Mencel Klaudia, Durlak Piotr, Rok Magdalena, Jakubas Ryszard, Baran Jan, Medycki Wojciech, Ciżman Agnieszka, Piecha-Bisiorek Anna
Widely used hardly known : an insight into electric and dynamic properties of formamidinium iodide.
RSC Advances, 2018, 8, 26506-26516
IF: 3.049
10.1039/c8ra03871f

29. Moskwa Marcin, Bator Grażyna , Piecha-Bisiorek Anna, Jakubas Ryszard, Medycki Wojciech, Ciżman Agnieszka, Baran Jan
X-ray structure and investigation of molecular motions by dielectric, vibrational and ¹H NMR methods for two organic-inorganic hybrid piperazinium compounds: (C₄H₁₂N₂)₂[Sb₂Cl₁₀]·2H₂O and (C₄H₁₂N₂)₂[Sb₂Br₁₀]·2H₂O
Materials Research Bulletin, 2018, 104, 202-211
IF: 3.355
10.1016/j.materresbull.2018.03.048

30. Piecha-Bisiorek Anna, Gągor Anna, Jakubas Ryszard, Ciżman Agnieszka, Janicki Rafał, Medycki Wojciech
Ferroelectricity in bis(ethylammonium) pentachlorobismuthate(III) : synthesis, structure, polar and spectroscopic properties.
Inorganic Chemistry Frontiers, 2017, 4, 1281-1286
IF: 5.106
10.1039/c7qi00254h

31. Węcławik Magdalena, Baran Jan, Durlak Piotr, Marciniak Łukasz, Piecha-Bisiorek Anna, Jakubas Ryszard
Fourier transform infrared and Raman spectroscopy in the study of phase transitions in dipyrazolium iodide triiodide : experimental and theoretical analysis.
Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy, 2017, 179, 83-94
IF: 2.88
10.1016/j.saa.2017.02.029

32. Piecha-Bisiorek Anna, Gągor Anna, Isakov Dmitry, Zieliński Piotr, Gałązka Mirosław, Jakubas Ryszard
Phase sequence in diisopropylammonium iodide: avoided ferroelectricity by the appearance of a reconstructed phase.
Inorganic Chemistry Frontiers, 2017, 4, 553-558
IF: 5.106
10.1039/c6qi00583g

33. Florek-Wojciechowska Małgorzata, Jakubas Ryszard, Kruk Danuta
Structure and dynamics of [NH₂(CH₃)₂]₃Sb₂Cl₉ by means of ¹H NMR relaxometry : quadrupolar relaxation enhancement effects.
Physical Chemistry Chemical Physics, 2017, 19, 11197-11205
IF: 3.906
10.1039/C7CP00788D

34. Gągor Anna, Banach G., Węcławik Magdalena, Piecha-Bisiorek Anna, Jakubas Ryszard
The lone-pair-electron-driven phase transition and order-disorder processes in thermochromic (2-Mlm)Sbl₄ organic-inorganic hybrid.
Dalton Transactions, 2017, 46, 16605-16614
IF: 4.099
10.1039/C7DT03622A

35. Florek-Wojciechowska M., Wojciechowski M., Jakubas Ryszard, Brym Szczepan, Kruk Danuta
¹H NMR relaxometry and quadrupole relaxation enhancement as a sensitive probe of dynamical properties of solids—[C(NH₂)₃]₃Bi₂I₉ as an example.
Journal of Chemical Physics, 2016, 144, 054501/1-054501/8
IF: 2.965
10.1063/1.4940680

36. Owczarek Magdalena T., Miniewicz Andrzej, Szklarz Przemysław, Jakubas Ryszard
Crystal structures and related to noncentrosymmetricity properties of 4-aminomorpholinium salts.
Chemical Physics Letters, 2016, 665, 31-35
IF: 1.815
10.1016/j.cplett.2016.10.051

37. Kruk Danuta, Florek-Wojciechowska Małgorzata, Jakubas Ryszard, Chaurasia Sujeet K., Brym Szczepan
Dynamics of molecular crystals by means of ¹H NMR relaxometry: dynamical heterogeneity versus homogenous motion.
ChemPhysChem, 2016, 17, 2329-2339
IF: 3.075
10.1002/cphc.201600151

38. Wojciechowska Martyna, Szklarz Przemysław, Białońska Agata, Baran Jan, Janicki Rafał, Medycki Wojciech, Durlak Piotr, Piecha-Bisiorek Anna, Jakubas Ryszard
Enormous lattice distortion through an isomorphous phase transition in an organic-inorganic hybrid based on haloantimonate(III).
CrystEngComm, 2016, 18, 6184-6194
IF: 3.474
10.1039/C6CE01008C

39. Owczarek Magdalena T., Hujsak Karl A., Ferris Daniel P., Prokofjevs Aleksandrs, Majerz Irena, Szklarz Przemysław, Zhang Huacheng, Sarjeant Amy A., Stern Charlotte L., Jakubas Ryszard, Hong Seungbum, Dravid Vinayak P., Stoddart J. Fraser
Flexible ferroelectric organic crystals.
Nature Communications, 2016, 7, 13108/1-13108/10
IF: 12.124
10.1038/ncomms13108

40. Piecha-Bisiorek Anna, Bieńko Alina, Jakubas Ryszard, Boča Roman, Weselski Marek, Kinzhybalo Vasyl V., Pietraszko Adam, Wojciechowska Martyna, Medycki Wojciech, Kruk Danuta
Physical and structural characterization of imidazolium-based organic-inorganic hybrid: (C₃N₂H₅)₂[CoCl₄].
Journal of Physical Chemistry A, 2016, 120, 2014-2021
IF: 2.847
10.1021/acs.jpca.5b11924

41. Przesławski Janusz, Piecha-Bisiorek Anna, Jakubas Ryszard
Specific heat anomaly in ferroelectric: bis(imidazolium) pentachloroantimonate(III) (C₃ N₂ H₅)₂[SbCl₅].
Journal of Molecular Structure, 2016, 1110, 97-101
IF: 1.753
10.1016/j.molstruc.2016.01.030

42. Węcławik Magdalena, Gągor Anna, Jakubas Ryszard, Piecha-Bisiorek Anna, Medycki Wojciech, Baran Jan, Zieliński Piotr, Gałązka Mirosław
Structure-property relationships in hybrid (C₃H₅N₂)₃[Sb₂I₉] and (C₃H₅N₂)₃[Bi₂I₉] isomorphs.
Inorganic Chemistry Frontiers, 2016, 3, 1306-1316
IF: 4.036
10.1039/C6QI00260A

43. Masierak Włodzimierz, Florek-Wojciechowska M., Oglodek I., Jakubas Ryszard, Privalov A. F., Kresse B., Fujara F., Kruk Danuta
Dynamics of [C₃H₅N₂]₆[Bi₄Br₁₈] by means of ¹H NMR relaxometry and quadrupole relaxation enhancement.
Journal of Chemical Physics, 2015, 142, 204503/1- 204503/9
IF: 2.894
10.1063/1.4919966

44. Gągor Anna, Węcławik Magdalena, Bondzior Bartosz, Jakubas Ryszard
Periodic and incommensurately modulated phases in a (2-methylimidazolium)tetraiodobismuthate(III) thermochromic organic-inorganic hybrid.
CrystEngComm, 2015, 17, 3286-3296
IF: 3.849
10.1039/c5ce00046g

45. Wojtaś Maciej, Gągor Anna, Czupiński Olaf, Piecha-Bisiorek Anna, Isakov Dmitry, Medycki Wojciech, Jakubas Ryszard
Polar and antiferroelectric behaviour of a hybrid crystal - piperazinium perchlorate.
CrystEngComm, 2015, 17, 3171-3180
IF: 3.849
10.1039/c5ce00161g

46. Piecha-Bisiorek Anna, Białońska Agata, Jakubas Ryszard, Zieliński Piotr, Wojciechowska Martyna, Gałązka Mirosław
Strong improper ferroelasticity and weak canted ferroelectricity in a martensitic-like phase transition of diisobutylammonium bromide.
Advanced Materials, 2015, 27, 5023-5027
IF: 18.96
10.1002/adma.201501812

47. Węcławik Magdalena, Szklarz Przemysław, Medycki Wojciech, Janicki Rafał, Piecha-Bisiorek Anna, Zieliński Piotr, Jakubas Ryszard
Unprecedented transformation of [I^- · I₃^-] to [I₄^2-] polyiodides in the solid state : structures, phase transitions and characterization of dipyrazolium iodide triiodide.
Dalton Transactions, 2015, 44, 18447-18458
IF: 4.177
10.1039/C5DT02265G

48. Piecha-Bisiorek Anna, Jakubas Ryszard, Medycki Wojciech, Florek-Wojciechowska M., Wojciechowski M., Kruk Danuta
Dynamics of ferroelectric bis(imidazolium)pentachloroantimonate(III) by means of nuclear magnetic resonance ¹H relaxometry and dielectric spectroscopy.
Journal of Physical Chemistry A, 2014, 118, 3564-3571
IF: 2.693
10.1021/jp501331c

49. Wojtaś Maciej, Czupiński Olaf, Tylczyński Z., Isakov Dmitry, Belsley M., Jakubas Ryszard
Optical nonlinearity and piezoelectricity in 2,4,6-trimethylpyridinium perchlorate.
Chemical Physics, 2014, 441, 59-65
IF: 1.652
10.1016/j.chemphys.2014.06.018

50. Chański Michał, Białońska Agata, Jakubas Ryszard, Piecha-Bisiorek Anna
Structural characterization and properties of bis (1,4-H₂-1,2,4-triazolium) pentachlorobismuthate (III) and cocrystal of ammonium chloride with tris (1,4-H₂-1,2,4-triazolium) hexachlorobismuthate (III).
Polyhedron, 2014, 71, 69-74
IF: 2.011
10.1016/j.poly.2013.12.038

51. Owczarek Magdalena T., Majerz Irena, Jakubas Ryszard
Weak hydrogen and dihydrogen bonds instead of strong N-H···O bonds of a tricyclic [1,2,4,5]-tetrazine derivative. Single-crystal X-ray diffraction, theoretical calculations and Hirshfeld surface analysis.
CrystEngComm, 2014, 16, 7638-7648
IF: 4.034
10.1039/C4CE00571F

52. Piecha Anna, Gągor Anna, Węcławik Magdalena, Jakubas Ryszard, Medycki Wojciech
Anomalous dielectric behaviour in centrosymmetric organic-inorganic hybrid chlorobismuthate(III) containing functional N,N-dimethylethylammonium ligand : crystal structure and properties.
Materials Research Bulletin, 2013, 48, 151-157
IF: 1.968
10.1016/j.materresbull.2012.10.018

53. Przesławski Janusz, Medycki Wojciech, Piecha Anna, Jakubas Ryszard, Kruk Danuta
Dynamics and ferroelectric phase transition of (C₃N₂H₅)₅Bi₂Br₁₁ by means of ac calorimetry and ¹H NMR relaxometry.
Chemical Physics, 2013, 410, 19-24
IF: 2.028
10.1016/j.chemphys.2012.10.009

54. Owczarek Magdalena T., Jakubas Ryszard, Pietraszko Adam, Medycki Wojciech, Baran Jan
Investigation of structure-properties relationship in a novel family of halogenoantimonates(III) and halogenobismuthates(III) with morpholinium cation: [NH₂(C₂H₄)₂O]MX₄. Crystal structure, phase transitions and dynamics of molecules.
Dalton Transactions, 2013, 42, 15069-15079
IF: 4.097
10.1039/c3dt51726h

55. Medycki Wojciech, Latanowicz L., Szklarz Przemysław, Jakubas Ryszard
Proton dynamics at low and high temperatures in a novel ferroelectric diammonium hypodiphosphate (NH₄)₂H₂P₂O₆ (ADhP) as studied by ¹H spin-lattice relaxation time and second moment of NMR line.
Journal of Magnetic Resonance, 2013, 231, 54-60
IF: 2.315
10.1016/j.jmr.2013.03.005

56. Piecha Anna, Gągor Anna, Jakubas Ryszard, Szklarz Przemysław
Room-temperature ferroelectricity in diisopropylammonium bromide.
CrystEngComm, 2013, 15, 940-944
IF: 3.858
10.1039/c2ce26580j

57. Węcławik Magdalena, Gągor Anna, Piecha Anna, Jakubas Ryszard, Medycki Wojciech
Synthesis, crystal structure and phase transitions of a series of imidazolium iodides.
CrystEngComm, 2013, 15, 5633-5640
IF: 3.858
10.1039/c3ce40559a

58. Tarasiewicz Jolanta, Jakubas Ryszard, Majerz Irena, Baran Jan, Gągor Anna, Miniewicz Andrzej
The IR temperature studies of phase transition of 4-aminopyridinium-hydrogen maleate-maleic acid: isotopic effect and nonlinear optical properties.
Vibrational Spectroscopy, 2013, 66, 93-103
IF: 1.547
10.1016/j.vibspec.2013.02.004

59. Owczarek Magdalena T., Szklarz Przemysław, Jakubas Ryszard, Miniewicz Andrzej
[NH₂(C₂H₄)₂O]MX₅: a new family of morpholinium nonlinear optical materials among halogenoantimonate(III) and halogenobismuthate(III) compounds. Structural characterization, dielectric and piezoelectric properties.
Dalton Transactions, 2012, 41, 7285-7294
IF: 3.806
10.1039/c2dt30291h

60. Owczarek Magdalena T., Jakubas Ryszard, Kinzhybalo Vasyl V., Medycki Wojciech, Kruk Danuta, Pietraszko Adam, Gałązka Mirosław, Zieliński Piotr
Crystal structure and characterization of a novel ferroelastic ionic crystal: 1-aminopyridinium iodide (C₅H₇N₂)⁺I^-.
Chemical Physics Letters, 2012, 537, 38-47
IF: 2.145
10.1016/j.cplett.2012.03.101

61. Wojtaś Maciej, Gągor Anna, Czupiński Olaf, Medycki Wojciech, Jakubas Ryszard
Crystal structure and characterization of the novel NH⁺···N hydrogen bonded polar crystal [NH₂(CH₂)₄NH][BF₄].
Journal of Solid State Chemistry, 2012, 187, 35-44
IF: 2.04
10.1016/j.jssc.2011.12.020

62. Piecha Anna, Jakubas Ryszard, Kinzhybalo Vasyl V., Medycki Wojciech
Crystal structure, dielectric properties and molecular motions of molecules in thiazolium halometalates(III): (C₃H₄NS)₆M₄Br₁₈·2H₂O (M=Sb, Bi).
Journal of Molecular Structure, 2012, 1013, 55-60
IF: 1.404
10.1016/j.molstruc.2012.01.014

63. Owczarek Magdalena T., Jakubas Ryszard, Majerz Irena, Baran Jan
Experimental (IR) and theoretical (LDA) studies of the structure and vibrational-reorientational dynamics of ferroelastic 1-aminopyridinium iodide.
Chemical Physics, 2012, 405, 167-174
IF: 1.957
10.1016/j.chemphys.2012.07.007

64. Zdanowska-Frączek M., Frączek Z. J., Szklarz Przemysław, Jakubas Ryszard
High-pressure dielectric studies of a novel hydrogen-bonded ferroelectric (NH₄)₂H₂P₂O₆.
Journal of Physics and Chemistry of Solids, 2012, 73, 953-956
IF: 1.527
10.1016/j.jpcs.2012.03.006

65. Kruk Danuta, Privalov Alexei, Medycki Wojciech, Uniszkiewicz Cezary, Masierak Włodzimierz, Jakubas Ryszard
NMR studies of solid-state dynamics.
Annual Reports on NMR Spectroscopy, 2012, 76, 67-138
IF: 1.424
10.1016/B978-0-12-397019-0.00003-0

66. Piecha Anna, Białońska Agata, Jakubas Ryszard
Novel organic-inorganic hybrid ferroelectric: bis(imidazolium) pentachloroantimonate(III), C₃N₂H₅)₂SbCl₅.
Journal of Materials Chemistry, 2012, 22, 333-336
IF: 6.108
10.1039/c1jm13597j

67. Szklarz Przemysław, Przesławski Janusz, Kosturek Bogdan, Jakubas Ryszard
Phase transition of the novel hydrogen bonded ferroelectric (NH₄)₂H₂P₂O₆ studied by specific heat measurements.
Thermochimica Acta, 2012, 527, 8-12
IF: 1.989
10.1016/j.tca.2011.09.016

68. Płowaś Iwona, Bator Grażyna , Jakubas Ryszard, Baran Jan
Thermal, dielectric and vibrational properties of allylammonium chloroantimonates(III) and chlorobismuthates(III): [C₃H₅NH₃]₃[BiCl₆] and [C₃H₅NH₃]₃[SbCl₅]·Cl.
Vibrational Spectroscopy, 2012, 62, 121-132
IF: 1.747
10.1016/j.vibspec.2012.05.015

69. Płowaś Iwona, Białońska Agata, Bator Grażyna , Jakubas Ryszard, Medycki Wojciech, Baran Jan
Tris(allylammonium) hexabromobismuthate(III) - crystal structure, phase transitions and thermal, dielectric, vibrational and¹H NMR properties over a range of temperatures.
European Journal of Inorganic Chemistry, 2012, 4, 636-646
IF: 3.12
10.1002/ejic.201100832

70. Latanowicz L., Medycki Wojciech, Jakubas Ryszard
Complex molecular dynamics of (CH₃NH₃)₅Bi₂Br₁₁ (MAPBB) protons from NMR relaxation and second moment of NMR spectrum.
Journal of Magnetic Resonance, 2011, 211, 207-216
IF: 2.138
10.1016/j.jmr.2011.05.016

71. Gągor Anna, Piecha Anna, Jakubas Ryszard, Miniewicz Andrzej
Crystal structure and characterization of a novel acentric imidazolium analog [C₃N₂H₅⁺][Br^-].
Chemical Physics Letters, 2011, 503, 134-138
IF: 2.337
10.1016/j.cplett.2010.12.083

72. Tarasiewicz Jolanta, Gągor Anna, Jakubas Ryszard, Kulicka Beata, Baran Jan
Crystal structure, thermal, dielectric and vibrational properties of a novel polar crystal: 4-aminopyridinium-hydrogen maleate-maleic acid, [4-NH₂C₅H₄NH][C₄H₃O₄][C₄H₄O₄].
Journal of Molecular Structure, 2011, 1002, 28-36
IF: 1.634
10.1016/j.molstruc.2011.06.040

73. Wojtaś Maciej, Bil Andrzej, Jakubas Ryszard, Gągor Anna, Pietraszko Adam, Czupiński Olaf, Tylczyński Z., Isakov Dmitry
Organic-inorganic compounds with strong nonlinear optical properties based on 2,4,6-trimethylpyridinium and tetrahedral BF₄^- networks.
Physical Review B, 2011, 83, 1-13
IF: 3.691
10.1103/PhysRevB.83.144103

74. Płowaś Iwona, Szklarz Przemysław, Jakubas Ryszard, Bator Grażyna
Structural, thermal and dielectric studies on the novel solution grown (4-dimethylaminopyridinium) chloroantimonate(III) and chlorobismuthate(III) crystals.
Materials Research Bulletin, 2011, 46, 1177-1185
IF: 2.105
10.1016/j.materresbull.2011.04.013

75. Kruk Danuta, Medycki Wojciech, Przesławski Janusz, Dacko Sławomir, Piecha Anna, Jakubas Ryszard
Thermodynamic properties and molecular motions in ferroelectric (C₃N₂H₅)₅Sb₂Br₁₁.
Chemical Physics, 2011, 380, 86-91
IF: 1.896
10.1016/j.chemphys.2010.12.010

76. Owczarek Magdalena T., Jakubas Ryszard, Bator Grażyna , Pawlukojć Andrzej, Baran Jan, Przesławski Janusz, Medycki Wojciech
Vibrational and thermodynamic properties and molecular motions in the incommensurate crystal of morpholinium tetrafluoroborate studied by ¹ H NMR.
Chemical Physics, 2011, 381, 11-20
IF: 1.896
10.1016/j.chemphys.2011.01.002

77. Kruk Danuta, Medycki Wojciech, Mielczarek A., Jakubas Ryszard, Uniszkiewicz Cezary
Complex nuclear relaxation processes in guanidinium compounds [C(NH₂)₃]₃Sb₂X₉ (X= Br, Cl): effects of quadrupolar interactions.
Applied Magnetic Resonance, 2010, 39, 233-249
IF: 1.126
10.1007/s00723-010-0152-x

78. Kulicka Beata, Lis Tadeusz, Kinzhybalo Vasyl V., Jakubas Ryszard, Piecha Anna
Novel anionic water-containing inorganic fragment in [4-NH₂PyH]₈[Bi₂Cl₁₁] [Bi₂Cl₉(H₂O)₂]: structural characterization, thermal, dielectric and vibrational properties.
Polyhedron, 2010, 29, 2014-2022
IF: 2.034
10.1016/j.poly.2010.03.017

79. Płowaś Iwona, Białońska Agata, Jakubas Ryszard, Bator Grażyna , Zarychta Bartosz, Baran Jan
Structural characterization, thermal, dielectric and vibrational properties of tris(allylammonium) hexabromoantimonate(III), (C₃H₅NH₃)₃SbBr₆.
Chemical Physics, 2010, 375, 16-25
IF: 2.017
10.1016/j.chemphys.2010.07.012

80. Wojtaś Maciej, Medycki Wojciech, Baran Jan, Jakubas Ryszard
Thermal, dielectric and vibrational properties of ferroelastic [(CH₃)₃PH]₃[Sb₂Cl₉] crystal. Molecular motion of trimethylphosphonium cations studied by proton magnetic resonance.
Chemical Physics, 2010, 371, 66-75
IF: 2.017
10.1016/j.chemphys.2010.04.005

81. Piecha Anna, Gągor Anna, Pietraszko Adam, Jakubas Ryszard
Unprecedented solid-state chemical reaction—from (C₃N₂H₅)₃SbBr₆·H₂O to (C₃N₂H₅)₅Sb₂Br₁₁. From centrosymmetric to non-centrosymmetric crystal structure.
Journal of Solid State Chemistry, 2010, 183, 3058-3066
IF: 2.261
10.1016/j.jssc.2010.10.020

82. Wojtaś Maciej, Gągor Anna, Czupiński Olaf, Pietraszko Adam, Jakubas Ryszard
2,4,6-trimethylpyridinium perchlorate: polar properties and correlations with molecular structure of organic-inorganic hybrid crystal.
Journal of Solid State Chemistry, 2009, 182, 3021-3030
IF: 2.34
10.1016/j.jssc.2009.07.055

83. Xu G., Li Yan, Zhou W.-W., Wang G.-J., Long X.-F., Cai L.-Z., Wang M.-S., Guo G.-C., Huang J.-S., Bator Grażyna , Jakubas Ryszard
A ferroelectric inorganic-organic hybrid based on NLO-phore stilbazolium.
Journal of Materials Chemistry, 2009, 19, 2179-2183
IF: 4.795
10.1039/B819473D

84. Latanowicz L., Medycki Wojciech, Jakubas Ryszard
Complex methyl groups dynamics in [(CH₃)₄P]₃Sb₂Br₉ (PBA) from low to high temperatures by proton spin-lattice relaxation and narrowing of proton NMR spectrum.
Solid State Nuclear Magnetic Resonance, 2009, 36, 144-150
IF: 1.368
10.1016/j.ssnmr.2009.09.002

85. Szklarz Przemysław, Owczarek Magdalena T., Bator Grażyna , Lis Tadeusz, Gatner Kazimierz, Jakubas Ryszard
Crystal structure, properties and phase transitions of morpholinum tetrafluoroborate [C₄H₁₀NO][BF₄].
Journal of Molecular Structure, 2009, 929, 48-57
IF: 1.551
10.1016/j.molstruc.2009.04.014

86. Piecha Anna, Jakubas Ryszard
Dielectric critical slowing down in pentakis(imidazolium) undecabromodibismuthate(III): (C₃N₂H₅)₅Bi₂Br₁₁.
Journal of Physics-Condensed Matter, 2009, 21, 1-5
IF: 1.964
10.1088/0953-8984/21/1/015904

87. Piecha Anna, Jakubas Ryszard, Bator Grażyna , Baran Jan
Infrared investigations of the order-disorder ferroelectric phase transitions in imidazolium halogenobismuthates(III) and halogenoantimonates(III): (C₃N₂H₅)₅Bi₂Cl₁₁, (C₃N₂H₅)₅Bi₂Br₁₁ and (C₃N₂H₅)₅Sb₂Br₁₁.
Vibrational Spectroscopy, 2009, 51, 226-237
IF: 1.931
10.1016/j.vibspec.2009.05.003

88. Zdanowska-Frączek M., Hołderna-Natkaniec K., Frączek Z. J., Jakubas Ryszard
Molecular dynamics and electrical conductivity of (C₃N₂H₅)₅Bi₂Cl₁₁.
Solid State Ionics, 2009, 180, 9-12
IF: 2.162
10.1016/j.ssi.2008.10.018

89. Tarasiewicz Jolanta, Jakubas Ryszard, Bator Grażyna , Zaleski J., Baran Jan, Medycki Wojciech
Structural characterization, thermal, dielectric, vibrational properties and molecular dynamics of (C₅H₅NH)₃BiCl₆.
Journal of Molecular Structure, 2009, 932, 6-15
IF: 1.551
10.1016/j.molstruc.2009.05.034

90. Piecha Anna, Jakubas Ryszard, Pietraszko Adam, Baran Jan, Medycki Wojciech, Kruk Danuta
Structural characterization, thermal, dielectric, vibrational properties and molecular motions in [C₃N₂H₅]₆[Bi₄Br₁₈].
Journal of Solid State Chemistry, 2009, 182, 2949-2960
IF: 2.34
10.1016/j.jssc.2009.08.007

91. Zdanowska-Frączek M., Wysocka M., Frączek Z. J., Jakubas Ryszard
Electric properties of (C₃H₅N₂)₅Bi₂Cl₁₁ crystal in the paraelectric-ferroelectric phase.
Solid State Ionics, 2008, 178, 1731-1734
IF: 2.425
10.1016/j.ssi.2007.11.028

92. Gągor Anna, Wojtaś Maciej, Pietraszko Adam, Jakubas Ryszard
From six- to five-coordinated Sb^III in [(CH₃)₃PH]₃[Sb₂Cl₉]: transition pathways from single-crystal X-ray diffraction.
Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials, 2008, B64, 558-566
IF: 2.341
10.1107/S0108768108027353

93. Hołderna-Natkaniec K., Natkaniec I., Jakubas Ryszard, Nowak D., Medycki Wojciech
Internal dynamics of (C₃N₂H₅)₅Bi₂Cl₁₁ studied by IINS,¹H NMR and QC methods.
Journal of Molecular Structure, 2008, 891, 143-150
IF: 1.594
10.1016/j.molstruc.2008.03.025

94. Piecha Anna, Jakubas Ryszard, Kinzhybalo Vasyl V., Lis Tadeusz
Structural and dielectric properties of thiazolium chlorobismuthate(III) and chloroantimonate(III).
Journal of Molecular Structure, 2008, 887, 194-200
IF: 1.594
10.1016/j.molstruc.2008.02.048

95. Piecha Anna, Pietraszko Adam, Bator Grażyna , Jakubas Ryszard
Structural characterization and ferroelectric ordering in (C₃N₂H₅)₅Sb₂Br₁₁.
Journal of Solid State Chemistry, 2008, 118, 1155-1166
IF: 1.91
10.1016/j.jssc.2008.02.029

96. Tarasiewicz Jolanta, Jakubas Ryszard, Zaleski J., Baran Jan
Structural characterization, thermal, dielectric and spectroscopic properties of di(n-pentylammonium) pentabromoantimonate(III): [n-C₅H₁₁NH₃]₂[SbBr₅].
Journal of Molecular Structure, 2008, 876, 86-101
IF: 1.594
10.1016/j.molstruc.2007.06.005

97. Piecha Anna, Białońska Agata, Jakubas Ryszard, Medycki Wojciech
Structural polymorphism in new organic-inorganic hybrid:pyrazolium bromoantimonates(III) [C₃N₂H₅]₆Sb₄Br₁₈·2H₂O (tetragonal and triclinic forms). Thermal, dielectric and proton magnetic resonance (¹H NMR) studies on the tetragonal form.
Solid State Sciences, 2008, 10, 1469-1479
IF: 1.742
10.1016/j.solidstatesciences.2008.02.023

98. Piecha Anna, Białońska Agata, Jakubas Ryszard
Structure and ferroelectric properties of [C₃N₂H₅]₅[Bi₂Br₁₁].
Journal of Physics-Condensed Matter, 2008, 20, 1-9
IF: 1.9
10.1088/0953-8984/20/32/325224

99. Szklarz Przemysław, Pietraszko Adam, Jakubas Ryszard, Bator Grażyna , Zieliński Piotr, Gałązka Mirosław
Structure, phase transitions and molecular dynamics of [C(NH₂)₃]₃[M₂I₉], M=Sb, Bi.
Journal of Physics-Condensed Matter, 2008, 20, 1-12
IF: 1.9
10.1088/0953-8984/20/25/255221

100. Zdanowska-Frączek M., Frączek Z. J., Piecha Anna, Jakubas Ryszard, Rzepczyńska A.
The influence of hydrostatic pressure on the ferroelectric phase transition in (C₃N₂H₅)₅Bi₂Cl₁₁.
Journal of Physics-Condensed Matter, 2008, 20, 1-6
IF: 1.9
10.1088/0953-8984/20/27/275231

101. Owczarek Magdalena T., Szklarz Przemysław, Jakubas Ryszard, Lis Tadeusz
The low-temperature phase of morpholinium tetrafluoroborate.
Acta Crystallographica Section E: Structure Reports Online, 2008, E64, o667-o667, 1-11
IF: 0.367
10.1107/S1600536808004339

102. Wojtaś Maciej, Jakubas Ryszard, Zaleski J., Bator Grażyna , Baran Jan
The phase situation and ferroelectric properties in the mixed crystals [4-NH₂PyH][SbCL₄₍₁–_x)Br_4x].
Journal of Molecular Structure, 2008, 887, 262-268
IF: 1.594
10.1016/j.molstruc.2008.02.050

103. Piecha Anna, Jakubas Ryszard
Dielectric critical slowing down in ferroelectric (C₃N₂H₅)₅Sb₂Br₁₁.
Journal of Physics-Condensed Matter, 2007, 19, 1-8
IF: 1.886
10.1088/0953-8984/19/40/406225

104. Piecha Anna, Jakubas Ryszard, Pietraszko Adam
Phase transitions and electric properties of imidazolium chlorobismuthate(III): [C₃H₅N₂]₆[Bi₄Cl₁₈].
Journal of Molecular Structure, 2007, 829, 149-154
IF: 1.486
10.1016/j.molstruc.2006.06.017

105. Piecha Anna, Jakubas Ryszard, Pietraszko Adam, Baran Jan
Structural characterization and spectroscopic properties of imidazolium chlorobismuthate(III) : [C₃H₅N₂]₆[Bi₄Cl₁₈].
Journal of Molecular Structure, 2007, 844-845, 132-139
IF: 1.486
10.1016/j.molstruc.2007.03.052

106. Piecha Anna, Kinzhybalo Vasyl V., Jakubas Ryszard, Baran Jan, Medycki Wojciech
Structural characterization, molecular dynamics, dielectric and spectroscopic properties of tetrakis(pyrazolium)bis(μ₂-bromo-tetrabromobismuthate(III) dihydrate, [C₃N₂H₅]₄[Bi₂Br₁₀]·2H₂O.
Solid State Sciences, 2007, 9, 1036-1048
IF: 1.698
10.1016/j.solidstatesciences.2007.07.020

107. Czupiński Olaf, Wojtaś Maciej, Pietraszko Adam, Jakubas Ryszard
Structural characterization, phase transition and dielectric properties of 4-cyanopyridynium perchlorate monohydrate : [(4-CNC₅H₄NH)][ClO₄]·H₂O.
Solid State Sciences, 2007, 9, 108-115
IF: 1.698
10.1016/j.solidstatesciences.2006.10.004

108. Szklarz Przemysław, Jakubas Ryszard, Bator Grażyna , Lis Tadeusz, Kinzhybalo Vasyl V., Baran Jan
Structural characterization, spectroscopic properties and phase transition in 4-aminopyridinium tetrachlorogallate(III): [ 4-NH₂PyH][GaCl₄].
Journal of Physics and Chemistry of Solids, 2007, 68, 2303-2316
IF: 0.899
10.1016/J.JPCS.2007.06.022

109. Piecha Anna, Kinzhybalo Vasyl V., Ślepokura Katarzyna, Jakubas Ryszard
Structural characterization, thermal and electric properties of imidazolium bromoantimonate(III): [C₃H₅N₂]₃[Sb₂Br₉].
Journal of Solid State Chemistry, 2007, 180, 265-275
IF: 2.149
10.1016/j.jssc.2006.10.016

110. Wojtaś Maciej, Zaleski J., Medycki Wojciech, Jakubas Ryszard
Structure and properties of tris(tetramethylammonium) nonabromodiarsenate (III), [(CH₃)₄ N]₃[As₂Br₉].
Journal of Physics-Condensed Matter, 2007, 19, 1-17
IF: 1.886
10.1088/0953-8984/19/23/236221

111. Przesławski Janusz, Kosturek Bogdan, Dacko Sławomir, Jakubas Ryszard
Thermal and optical properties of the ferroelectric (C₃N₂H₅)₅Bi₂Cl₁₁ crystal.
Solid State Communications, 2007, 142, 713-717
IF: 1.535
10.1016/j.ssc.2007.04.033

112. Bator Grażyna , Jakubas Ryszard, Baran Jan
Vibrational study of the structural phase transitions in 4-aminopyridinium tetrachloroantimonate(III) (4-APCA) ferroelectric crystal by infrared spectroscopy.
Vibrational Spectroscopy, 2007, 45, 36-45
IF: 1.78
10.1016/j.vibspec.2007.06.002

113. Kulicka Beata, Kinzhybalo Vasyl V., Jakubas Ryszard, Ciunik Zbigniew, Baran Jan, Medycki Wojciech
Crystal structure and phase transition of 4-aminopyridinium tetrachlorobismuthate(III), [4-NH₂C₅H₄NH][BiCl₄], as studied by x-ray diffraction, dielectric, proton NMR and infrared spectroscopy.
Journal of Physics-Condensed Matter, 2006, 18, 5087-5104
IF: 2.038
10.1088/0953-8984/18/22/009

114. Kulicka Beata, Jakubas Ryszard, Bednarska-Bolek Beata, Bator Grażyna , Ciunik Zbigniew
Crystal structure and phase transitions in dipropylammonium hexachloroantimonate(V): [N(C₃H₇)₂H₂][SbCl₆].
Journal of Molecular Structure, 2006, 792-793, 151-156
IF: 1.495
10.1016/j.molstruc.2005.10.058

115. Tarasiewicz Jolanta, Jakubas Ryszard, Baran Jan
Infrared studies of phase transitions in ferroelectric (C₅H₅NH)₅Bi₂Br₁₁.
Vibrational Spectroscopy, 2006, 40, 55-65
IF: 1.88
10.1016/j.vibspec.2005.07.003

116. Rogowski R. Z., Matyjasek K., Jakubas Ryszard
Polarization switching in (CH₃NH₃)₅Bi₂Cl₁₁ ferroelectric crystals.
Crystal Research and Technology, 2006, 41, 557-561
IF: 0.863
10.1002/crat.200510625

117. Kulicka Beata, Jakubas Ryszard, Ciunik Zbigniew
Structural characterization and properties of [4-CH₃C₅H₄NH][SbBr₄]. The mechanism of phase transitions in 4-methylpyridinium bromoantimonates(III).
Solid State Sciences, 2006, 8, 1229-1236
IF: 1.752
10.1016/j.solidstatesciences.2006.05.013

118. Czupiński Olaf, Wojtaś Maciej, Zaleski J., Jakubas Ryszard, Medycki Wojciech
Structure and properties of 2-cyanopyridinium perchlorate [2-CNPyH][ClO₄].
Journal of Physics-Condensed Matter, 2006, 18, 3307-3324
IF: 2.038
10.1088/0953-8984/18/12/012

119. Kulicka Beata, Jakubas Ryszard, Pietraszko Adam, Medycki Wojciech, Świergiel J.
Structure, phase transitions and molecular dynamics in 4-aminopyridinium hexachloroantimonate(V), [4-NH₂C₅H₄NH][SbCl₆].
Journal of Molecular Structure, 2006, 783, 88-95
IF: 1.495
10.1016/j.molstruc.2005.08.005

120. Czupiński Olaf, Wojtaś Maciej, Ciunik Zbigniew, Jakubas Ryszard
Structure, phase transitions, dielectric and spectroscopic studies of the 2-aminopyrimidinium salts: [2-NH₂C₄N₂H₃)₂H][ClO₄] and [2-NH₂C₄N₂H₄][BF₄].
Solid State Sciences, 2006, 8, 86-96
IF: 1.752
10.1016/j.solidstatesciences.2005.10.005

121. Tarasiewicz Jolanta, Jakubas Ryszard, Baran Jan, Pietraszko Adam
Thermal, dielectric properties and vibrational spectra of [η-C₄H₉NH₃]₂[BiBr₅] crystal.
Journal of Molecular Structure, 2006, 792-793, 265-273
IF: 1.495
10.1016/j.molstruc.2005.11.046

122. Medycki Wojciech, Świergiel J., Jakubas Ryszard, Hołderna-Natkaniec K.
¹H NMR study of molecular dynamics of 4-apyH cation under high hydrostatic pressure.
Acta Physica Polonica A, 2005, 108, 161-164
IF: 0.394
10.12693/APhysPolA.108.161

123. Zdanowska-Frączek M., Jakubas Ryszard, Czarnecki P.
Compositional and pressure effects on the phase transition in ferroelectric NH₄H(ClH₂CCOO)₂.
Ferroelectrics, 2005, 316, 97-101
IF: 0.459
10.1080/00150190590963192

124. Piecha Anna, Bator Grażyna , Jakubas Ryszard
Critical slowing down of low-frequency dielectric relaxation in ferroelectric (C₃N₂H₅)₅Bi₂Cl₁₁.
Journal of Physics-Condensed Matter, 2005, 17, 411-417
IF: 2.145
10.1088/0953-8984/17/41/L03

125. Zdanowska-Frączek M., Jakubas Ryszard, Czarnecki P.
Decoupling of the order-disorder and displacive contributions to the phase transition in NH₄H(ClH₂CCOO)₂.
Journal of Physics and Chemistry of Solids, 2005, 66, 845-850
IF: 1.41
10.1016/j.jpcs.2004.11.003

126. Rogowski R. Z., Matyjasek K., Jakubas Ryszard
Kinetics of ferroelectric switching in unipolar (CH₃NH₃)₅Bi₂Br₁₁.
Journal of Physics D-Applied Physics, 2005, 38, 4145-4152
IF: 1.957
10.1088/0022-3727/38/23/001

127. Dziedzic J., Mróz J., Jakubas Ryszard
Pyroelectric and dilatomeric studies on the low temperature ferroelectric phase transition of (CH₃NH₃)₅Bi₂Br₁₁.
Acta Physica Polonica A, 2005, 108, 505-511
IF: 0.394
10.12693/APhysPolA.108.505

128. Jakubas Ryszard, Piecha Anna, Pietraszko Adam, Bator Grażyna
Structure and ferroelectric properties of (C₃N₂H₅)₅Bi₂Cl₁₁.
Physical Review B, 2005, 72, 1-8
IF: 3.185
10.1103/PhysRevB.72.104107

129. Jakubas Ryszard, Bednarska-Bolek Beata, Zaleski J., Medycki Wojciech, Hołderna-Natkaniec K., Zieliński Piotr, Gałązka Mirosław
Structure, phase transitions and molecular dynamics in ferroelastic crystal pyrrolidinium hexachloroantimonate(V), [C₄H₈NH₂][SbCl₆].
Solid State Sciences, 2005, 7, 381-390
IF: 1.708
10.1016/j.solidstatesciences.2005.01.010

130. Latanowicz L., Medycki Wojciech, Jakubas Ryszard
The effect of low-temperature dynamics of the dimethylammonium group in [(CH₃)₂NH₂]₃Sb₂Cl₉ on proton spin-lattice relaxation and narrowing of the proton NMR.
Journal of Physical Chemistry A, 2005, 109, 3097-3104
IF: 2.898
10.1021/jp045080y

131. Zdanowska-Frączek M., Jakubas Ryszard
The pressure influence on the incommensurate-commensurate ferroelectric phase transition in [4-NH₂C₅H₄NH][SbCl₄].
Solid State Communications, 2005, 136, 470-474
IF: 1.489
10.1016/j.ssc.2005.09.005

132. Szklarz Przemysław, Zaleski J., Jakubas Ryszard, Bator Grażyna , Medycki Wojciech, Falińska K.
The structure, phase transition and molecular dynamics of [C(NH₂)₃]₃[Sb₂Br₉].
Journal of Physics-Condensed Matter, 2005, 17, 2509-2528
IF: 2.145
10.1088/0953-8984/17/15/021

133. Wojtaś Maciej, Jakubas Ryszard, Baran Jan
Vibrational study of the ferroelastic phase transition in [(CH₃)₄P]₃[Bi₂Cl₉] and [(CH₃)₄P]₃[Bi₂Br₉] .
Vibrational Spectroscopy, 2005, 39, 23-30
IF: 1.758
10.1016/j.vibspec.2004.10.004

134. Medycki Wojciech, Świergiel J., Holderna-Natkaniec K., Jurga K., Jakubas Ryszard
¹H NMR studies on molecular motions of 4-aminopyridinium and pyrrolidinium cations in new ferroics.
Solid State Nuclear Magnetic Resonance, 2004, 25, 129-132
IF: 1.7
10.1016/j.ssnmr.2003.03.002

135. Gatner Kazimierz, Jakubas Ryszard
A novel experimental method: electrochemical detection of the phase transition in frroelectric single crystals.
Chemical Physics Letters, 2004, 384, 262-265
IF: 2.438
10.1016/j.cplett.2003.12.025

136. Majerz Irena, Jakubas Ryszard
Anomalous temperature effect on the hydrogen bond strength and phase transition in 2,4,6-trimethylpyridinium pentachlorophenolate.
Journal of Molecular Structure, 2004, 694, 45-53
IF: 1.2
10.1016/j.molstruc.2004.02.008

137. Kulicka Beata, Jakubas Ryszard, Pietraszko Adam, Bator Grażyna , Baran Jan
Crystal structure thermal, dielectric and vibrational studies of the [4-C₂H₅PyH]₄[Sb₂Cl₁₀] crystal.
Solid State Sciences, 2004, 6, 1273-1286
IF: 1.598
10.1016/j.solidstatesciences.2004.06.006

138. Zdanowska-Frączek M., Jakubas Ryszard, Krupski M.
Effect of hydrostatic pressure on the phase transition temperature in [NH₂(CH₃)₂]₃Sb₂Cl₉.
Ferroelectrics, 2004, 302, 91-93
IF: 0.517
10.1080/00150190490456655

139. Czupiński Olaf, Jakubas Ryszard, Pietraszko Adam
On structural phase transitions in 4-aminopyridinium fluoroborate, [4-NH₂C₅H₅N][BF₄]: differential scanning calorimetry, dielectric and infrared studies.
Journal of Molecular Structure, 2004, 704, 177-187
IF: 1.2
10.1016/j.molstruc.2004.01.066

140. Tarasiewicz Jolanta, Jakubas Ryszard, Baran Jan, Pietraszko Adam
On the structural phase transitions in [η-C₄H₉NH₃]₂[SbBr₅]: thermal, dielectric and infrared studies.
Journal of Molecular Structure, 2004, 697, 161-171
IF: 1.2
10.1016/j.molstruc.2004.03.050

141. Wojtaś Maciej, Jakubas Ryszard, Ciunik Zbigniew, Medycki Wojciech
Structure and phase transitions in [(CH₃)₄P]₃[Sb₂Br₉] and [(CH₃)₄P]₃[Bi₂Br₉].
Journal of Solid State Chemistry, 2004, 177, 1575-1584
IF: 1.815
10.1016/j.jssc.2003.12.011

142. Wojtaś Maciej, Jakubas Ryszard
Structure and properties of [(CH₃)₄P]₃[Sb₂Cl₉] and [(CH₃)₄P]₃[Bi₂Cl₉].
Journal of Physics-Condensed Matter, 2004, 16, 7521-7534
IF: 2.049
10.1088/0953-8984/16/41/029

143. Kulicka Beata, Jakubas Ryszard, Bator Grażyna , Ciunik Zbigniew, Medycki Wojciech
Structure and properties of [2-NH₂C₅H₄NH][SbCl₄] and [2-NH₂C₅H₄NH][SbBr₄].
Journal of Physics-Condensed Matter, 2004, 16, 8155-8172
IF: 2.049
10.1088/0953-8984/16/46/004

144. Kulicka Beata, Jakubas Ryszard, Ciunik Zbigniew, Bator Grażyna , Medycki Wojciech, Świergiel J., Baran Jan
Structure, phase transitions and molecular dynamics in 4-methylpyridinium tetrachloroantimonate(III), [4-CH₃C₅H₄NH][SbCl₄].
Journal of Physics and Chemistry of Solids, 2004, 65, 871-879
IF: 0.988
10.1016/j.jpcs.2003.09.006

145. Zdanowska-Frączek M., Jakubas Ryszard, Krupski M.
The effect of hydrostatic pressure on the ferroelectric phase transition in [NH₂(CH₃)₂]₃[Sb₂Cl₉].
Journal of Physics and Chemistry of Solids, 2004, 65, 1679-1682
IF: 0.988
10.1016/j.jpcs.2004.04.006

146. Wojtaś Maciej, Bator Grażyna , Jakubas Ryszard, Zaleski J.
Crystal structure, phase transition and ferroelectric properties of the [(CH₃)₃NH]₃[Sb₂Cl_9(1-x)Br_9x] (TMACBA) mixed crystals.
Journal of Physics-Condensed Matter, 2003, 15, 5765-5781
IF: 1.757
10.1088/0953-8984/15/33/310

147. Wojtaś Maciej, Bator Grażyna , Jakubas Ryszard, Zaleski J., Kosturek Bogdan, Baran Jan
Crystal structure, phase transitions and ferroelastic properties of [(CH₃)₂NH₂]₃[Bi₂Cl₉].
Journal of Solid State Chemistry, 2003, 173, 425-434
IF: 1.413
10.1016/S0022-4596(03)00137-3

148. Wojtaś Maciej, Shvartsman V. V., Jakubas Ryszard, Kholkin Andrei L.
Domain structure, local hysteresis and ferroelectric phase transition in (CH₃NH₃)₅Bi₂Br₁₁ (MAPBBB) single crystals.
Ferroelectrics, 2003, 295, 121-129
IF: 0.406
10.1080/714040629

149. Bator Grażyna , Jakubas Ryszard
Dynamical dielectric properties of [4-NH₂C₅H₄NH][SbCl₄] in the incommensurate phase.
Journal of the Physical Society of Japan, 2003, 72, 2369-2371
IF: 1.903
10.1143/JPSJ.72.2369

150. Jakubas Ryszard, Ciunik Zbigniew, Bator Grażyna
Ferroelectric properties of [4-NH₂C₅H₄NH][SbCl₄].
Physical Review B, 2003, 67, 024103/1-024103/6
IF: 2.962
10.1103/PhysRevB.67.024103

151. Jakubas Ryszard, Bator Grażyna , Ciunik Zbigniew
Halogenoantimonates(III) and halogenobismuthates(III)-a rich family of ferroelectric crystals.
Ferroelectrics, 2003, 295, 3-8
IF: 0.406
10.1080/714040617

152. Medycki Wojciech, Holderna-Natkaniec K., Swiergiel J., Jakubas Ryszard
Molecular dynamics in ferroelectric 4-aminopyridinium tetrachloroantimonate(III), [4-NH₂C₅H₄NH][SbCl₄].
Solid State Nuclear Magnetic Resonance, 2003, 24, 209-217
IF: 1.453
10.1016/j.ssnmr.2003.07.001

153. Pawlaczyk Czesław, Jakubas Ryszard
On the dynamic dielectric behaviour of (CH₃NH₃)₃Sb₂Br₉(MABA).
Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences, 2003, 58a, 189-193
IF: 0.681
10.1515/zna-2003-0401

154. Jakubas Ryszard, Bator Grażyna , Ciąpała Paweł
Phase transitions in guanidinium bromoantimonate(V) [C(NH₂)₃]SbBr₆.
Polish Journal of Chemistry, 2003, 77, 123-127
IF: 0.515

155. Przesławski Janusz, Kosturek Bogdan, Jakubas Ryszard
Specific heat and linear birefringence behaviour of 4-aminopyridinium tetrachloroantimonate (III), [4-NH₂C₅H₄NH][SbCl₄].
Journal of Physics-Condensed Matter, 2003, 15, 643-648
IF: 1.757
10.1088/0953-8984/15/43/L01

156. Zdanowska-Frączek M., Kozak A., Jakubas Ryszard, Wąsicki J., Utrecht R.
¹H NMR study on the motion of NH₄+ in ferroelectric NH₄H(ClH₂CCOO)₂ and mixed (NH₄)_1-xRb_xH(ClH₂CCOO)₂ (x=0.15).
Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences, 2002, 57a, 883-887
IF: 0.732
10.1515/zna-2002-1107

157. Wojtaś Maciej, Bator Grażyna , Jakubas Ryszard
Crystal structure and ferroelectric properties in the mixed crystals: [(CH₃)₂NH₂]₃Sb_2(1-x)Bi_2xCl₉ and [(CH₃)₃NH]₃Sb₂Cl_9(1-x)Br_9x.
Ferroelectrics, 2002, 272, 297-302
IF: 0.408
10.1080/713716238

158. Wojtaś Maciej, Ciunik Zbigniew, Bator Grażyna , Jakubas Ryszard
Crystal structure, thermal and electric behaviour of [(CH₃)₂NH₂]₃[As₂Cl₉] and [(CH₃)₂NH₂][AsOCl₂].
Zeitschrift für Anorganische und Allgemeine Chemie, 2002, 628, 516-522
IF: 1.196
10.1002/1521-3749(200202)628:2<516::AID-ZAAC516>3.0.CO;2-6

159. Grottel M., Pająk Z., Jakubas Ryszard
NMR study of guanidinium cation dynamics in C(NH₂)₃SbCl₆.
Molecular Physics, 2002, 100, 1969-1973
IF: 1.617
10.1080/00268970210127951

160. Medycki Wojciech, Jakubas Ryszard
NMR study of phase transition in new ferroelectric crystal—(C₅H₅NH)₅Bi₂Br₁₁.
Solid State Nuclear Magnetic Resonance, 2002, 21, 44-52
IF: 1.333
10.1006/snmr.2001.0041

161. Tarasiewicz Jolanta, Jakubas Ryszard, Baran Jan
Raman studies of the anionic sublattice vibrations in (C₅H₅NH)₆Bi₄Cl₁₈.
Journal of Molecular Structure, 2002, 614, 333-338
IF: 1.122
10.1016/S0022-2860(02)00268-5

162. Bednarska-Bolek Beata, Ciunik Zbigniew, Jakubas Ryszard, Bator Grażyna , Ciąpała Paweł
Structure and phase transitions in chloroantimonate(V) crystals: [(C₂H₅)₃NH]SbCl₆ and [(C₂H₅)₃NH]SbCl₆·1/2[(C₂H₅)₃NH]Cl.
Journal of Physics and Chemistry of Solids, 2002, 63, 507-518
IF: 1.14
10.1016/S0022-3697(01)00189-5

163. Czupiński Olaf, Bator Grażyna , Ciunik Zbigniew, Jakubas Ryszard, Medycki Wojciech, Świergiel J.
Structure, phase transitions and molecular motions in 4-aminopyridinium perchlorate.
Journal of Physics-Condensed Matter, 2002, 14, 8497-8512
IF: 1.775
10.1088/0953-8984/14/36/308

164. Bednarska-Bolek Beata, Jakubas Ryszard, Medycki Wojciech, Nowak D., Zaleski J.
Structure, phase transitions and molecular motions in ferroelastic (C₄H₈NH₂)SbCl₆·(C₄H₈NH₂)Cl.
Journal of Physics-Condensed Matter, 2002, 14, 3129-3142
IF: 1.775
10.1088/0953-8984/14/12/305

165. Bednarska-Bolek Beata, Jakubas Ryszard, Bator Grażyna , Baran Jan
Vibrational study of the structural phase transition in bis(pyrrolidinium)-chloride-hexachloroantimonate(V) by infrared spectroscopy.
Journal of Molecular Structure, 2002, 614, 151-157
IF: 1.122
10.1016/S0022-2860(02)00235-1

166. Bednarska-Bolek Beata, Jakubas Ryszard, Bator Grażyna , Baran Jan
Vibrational study of the structural phase transitions in a new ferroelastic (C₅H₁₀NH₂)SbCl₆ crystal by infrared and Raman spectroscopies.
Polish Journal of Chemistry, 2002, 76, 385-394
IF: 0.528

167. Wojtaś Maciej, Bator Grażyna , Jakubas Ryszard, Zaleski J.
Crystal structure and dielectric properties of the [(CH₃)₂NH₂]₃Sb_2(1-x)Bi_2xCl₉ (DMACAB) mixed crystals.
Journal of Physics-Condensed Matter, 2001, 13, 8831-8852
IF: 1.698
10.1088/0953-8984/13/39/310

168. Bednarska-Bolek Beata, Jakubas Ryszard, Bator Grażyna , Pietraszko Adam
Ferroelastic phase transitions in triethylammonium and piperidinium chloroantimonate(V).
Ferroelectrics, 2001, 264, 145-150
IF: 0.471
10.1080/00150190108008561

169. Jóźków Jolanta, Jakubas Ryszard, Bator Grażyna , Pietraszko Adam
Ferroelectric properties of (C₅H₅NH)₅BI₂Br₁₁.
Journal of Chemical Physics, 2001, 114, 7239-7246
IF: 3.147
10.1063/1.1349897

170. Kuchta B., Carpentier P., Jakubas Ryszard, Zając Wojciech, Zieliński Piotr
Monte Carlo study of a compressible pseudospin model for (CH₃NH₃)₅Bi₂Cl₁₁.
Physical Review B, 2001, 63, 224110/1-224110/6
IF: 3.07
10.1103/PhysRevB.63.224110

171. Pietraszko Adam, Bednarska-Bolek Beata, Jakubas Ryszard, Zieliński Piotr
Phase transitions in the ferroelastic [C₅H₁0NH_2]SbCl_6.
Journal of Physics-Condensed Matter, 2001, 13, 6471-6488
IF: 1.698
10.1088/0953-8984/13/30/303

172. Bator Grażyna , Zeegers-Huyskens Th., Jakubas Ryszard, Zaleski J.
Structure and phase transitions in guanidinium halogenobismuthates(III).
Journal of Molecular Structure, 2001, 570, 61-74
IF: 0.907
10.1016/S0022-2860(01)00490-2

173. Jóźków Jolanta, Medycki Wojciech, Zaleski J., Jakubas Ryszard, Bator Grażyna , Ciunik Zbigniew
Structure, phase transition and molecular motions in (C₅H₅NH)BiCl₄.
Physical Chemistry Chemical Physics, 2001, 3, 3222-3228
IF: 1.787
10.1039/B102697F

174. Bator Grażyna , Jakubas Ryszard, Baran Jan
Vibrational study of the structural phase transitions in the (CH₃ND₃)₃Sb₂Br9 (d-MABA) crystals by infrared spectroscopy.
Vibrational Spectroscopy, 2001, 25, 101-113
IF: 1.167
10.1016/S0924-2031(00)00112-0

175. Bator Grażyna , Jakubas Ryszard, Zaleski J., Mróz J.
Crystal structure and dielectric relaxation studies of the [N(CH₃)₃H]₃Sb_2(1-x)Bi_2xCl₉ mixed crystals.
Journal of Applied Physics, 2000, 88, 1015-1023
IF: 2.18
10.1063/1.373771

176. Jóźków Jolanta, Jakubas Ryszard, Bator Grażyna , Zaleski J., Decressain R.
Crystal structure, dielectric properties and molecular motions in (i-C₄H₉NH₃)₃Bi₂Br₉.
Journal of Physics and Chemistry of Solids, 2000, 61, 887-897
IF: 1.003
10.1016/S0022-3697(99)00386-8

177. Zdanowska-Frączek M., Lewicki S., Jakubas Ryszard, Wąsicki J.
Effect of hydrostatic pressure on N(CH₃)₄⁺ cation motion in ferroelectric N(CH₃)₄H(Cl₃CCOO)₂.
Solid State Nuclear Magnetic Resonance, 2000, 16, 161-164
IF: 1.462
10.1016/S0926-2040(00)00066-7

178. Jóźków Jolanta, Jakubas Ryszard, Baran Jan
Infrared investigation of the order-disorder phase transitions in (C₅H₅NH)₆Bi₄Cl₁₈.
Journal of Molecular Structure, 2000, 555, 273-279
IF: 0.849
10.1016/S0022-2860(00)00610-4

179. Czupiński Olaf, Bator Grażyna , Jakubas Ryszard
Infrared studies on structural phase transition in [N(CH₃)₄]₃Bi₂Br₉.
Spectroscopy Letters, 2000, 33, 269-282
IF: 0.427
10.1080/00387010009350076

180. Grottel M., Pająk Z., Jakubas Ryszard
NMR study of cation motions in ferroic [C(NH₂)₃]₃Bi₂Br₉.
Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences, 2000, 55a, 570-574
IF: 0.638
10.1515/zna-2000-6-702

181. Bednarska-Bolek Beata, Zaleski J., Bator Grażyna , Jakubas Ryszard
On structural phase transitions in piperidinium halogenoantimonates(III) and bismuthates(III): X-ray, calorimetric, dilatometric, dielectric and Raman studies.
Journal of Physics and Chemistry of Solids, 2000, 61, 1249-1261
IF: 1.003
10.1016/S0022-3697(99)00414-X

182. Bednarska-Bolek Beata, Zaleski J., Jakubas Ryszard, Bator Grażyna
On structural phase transitions in the (C₅H₁₂N)₂SbCl₅ crystals.
Journal of Molecular Structure, 2000, 553, 175-186
IF: 0.849
10.1016/S0022-2860(00)00577-9

183. Ratajczak Henryk, Debrus S., Jakubas Ryszard, Baran Jan
Second harmonic generation properties of [CH₃NH₃]₅Bi₂Br₁₁ ferroelectric crystal.
Bulletin of the Polish Academy of Sciences. Chemistry, 2000, 48, 193-194
IF: 0.386

184. Zaleski J., Pawlaczyk Czesław, Jakubas Ryszard, Unruh H. G.
Structure and dynamic dielectric behaviour of ferroelectric [NH₂(CH₃)₂]₃Sb₂Br₉ (DMABA).
Journal of Physics-Condensed Matter, 2000, 12, 7509-7521
IF: 1.608
10.1088/0953-8984/12/33/316

185. Bednarska-Bolek Beata, Pietraszko Adam, Jakubas Ryszard, Bator Grażyna , Kosturek Bogdan
Structure and phase transition in the (C₅H₁₀NH₂)SbCl₆·(C₅H₁₀NH₂)Cl crystal.
Journal of Physics-Condensed Matter, 2000, 12, 1143-1159
IF: 1.608
10.1088/0953-8984/12/7/301

186. Góśniowska Małgorzata, Ciunik Zbigniew, Bator Grażyna , Jakubas Ryszard, Baran Jan
Structure and phase transitions in tetramethylammonium tetrabromoindate(III) and tetraethylammonium tetrabromoindate(III) crystals.
Journal of Molecular Structure, 2000, 555, 243-255
IF: 0.849
10.1016/S0022-2860(00)00607-4

187. Pawlaczyk Czesław, Jakubas Ryszard
Two relaxators dielectric behaviour of ammonium hydrogen bis-chloroacetate near the ferroelectric phase transition.
Solid State Communications, 2000, 113, 251-255
IF: 1.271
10.1016/S0038-1098(99)00490-1

188. Mróz B., Andrews T., Clouter M. J., Jakubas Ryszard
Brillouin scattering studies of ferroic [NH₂(CH₃) ₂] ₃Sb₂Cl₉ (DMACA).
Journal of Physics-Condensed Matter, 1999, 11, 905-912
IF: 1.639
10.1088/0953-8984/11/3/028

189. Carpentier P., Lefebvre J., Jakubas Ryszard, Zając Wojciech, Zieliński Piotr
Lattice mediated interactions and ferroelectric anomalies in the crystal (CH₃NH₃) ₅Bi₂Cl₁₁ (PMACB).
Phase Transitions, 1999, 67, 571-586
IF: 0.622
10.1080/01411599908224497

190. Medycki Wojciech, Jakubas Ryszard
NMR determination of dynamics parameters of CH₃ groups in P(CH₃) ₄SbCl₆.
Solid State Nuclear Magnetic Resonance, 1999, 15, 73-77
IF: 1.354
10.1016/s0926-2040(99)00031-4

191. Grottel M., Jakubas Ryszard
NMR study of the pyridinium cation motions in (C₅H₅NH) ₆Bi₄Cl₁₈.
Solid State Communications, 1999, 111, 29-32
IF: 1.428
10.1016/S0038-1098(99)00171-4

192. Jakubas Ryszard, Janik J. A., Krawczyk Józef, Mayer J., Natkaniec I., Stanek T., Steinsvoll O., Zając Wojciech
Quasielastic neutron scattering (QNS) study of cation rotation in (CH₃NH₃)₅Bi₂Cl₁₁, (CD₃NH₃)₅ Bi₂Cl₁₁ and (CH₃NH₃)₅Bi₂Br₁₁.
Physica B-Condensed Matter, 1999, 271, 309-314
IF: 0.725
10.1016/S0921-4526(99)00220-3

193. Góśniowska Małgorzata, Ciunik Zbigniew, Bator Grażyna , Jakubas Ryszard
Structure and phase transitions in tetramethylammonium pentachloroindate(III) crystals.
Journal of Molecular Structure, 1999, 511-512, 345-354
IF: 0.868
10.1016/S0022-2860(99)00177-5

194. Jakubas Ryszard, Zaleski J., Kosturek Bogdan, Bator Grażyna
Structure and phase transitions in the ferroelastic [C(NH₂) ₃] ₃Bi₂Br₉ crystal.
Journal of Physics-Condensed Matter, 1999, 11, 4731-4746
IF: 1.639
10.1088/0953-8984/11/24/314

195. Matyjasek K., Jakubas Ryszard
Temperature dependence of the domain switching of (CH₃NH₃) ₅Bi₂Br₁₁ crystals.
Ferroelectrics, 1999, 227, 77-85
IF: 0.533
10.1080/00150199908224191

196. Baran Jan, Bator Grażyna , Drozd M. K., Ilczyszyn Maria M., Jakubas Ryszard, Marchewka Mariusz K., Ratajczak Henryk
Vibrational, DSC and dielectric studies of Cs_1.5Li_1.5H(SO₄)₂ crystal.
Journal of Molecular Structure, 1999, 511-512, 1-18
IF: 0.868
10.1016/S0022-2860(99)00137-4

197. Zdanowska-Frączek M., Grottel M., Jakubas Ryszard
³⁵Cl NQR and ¹H NMR studies of molecular motions in guanidinium salt of chloroacetic acid.
Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences, 1998, 53a, 484-487
IF: 0.594
10.1515/zna-1998-6-733

198. Mróz B., Tuszyński J. A., Kiefte H., Clouter M. J., Jakubas Ryszard, Sept D.
Brilllouin-scattering studies of ferroelectric [CH₃NH₃]₅Bi₂Cl₁₁.
Physical Review B, 1998, 58, 14261-14269
IF: 2.842
10.1103/PhysRevB.58.14261

199. Mróz B., Tylczyński Z., Jakubas Ryszard, Kiefte H., Clouter M. J.
Brillouin scattering studies of ferroelectric (CH₃NH₃)₅Bi₂Br₁₁.
Journal of the Korean Physical Society, 1998, 32, S610-S612
IF: 0.441

200. Bator Grażyna , Jakubas Ryszard, Majerz Irena
Infrared studies on the structural phase transitions in (n-C₃H₇NH₃)₂SbBr₅ and (n-C₃H₇NH₃)₃Sb₂Cl₉.
Polish Journal of Chemistry, 1998, 72, 314-24
IF: 0.508

201. Jakubas Ryszard, Janik J. A., Krawczyk Józef, Mayer J., Stanek T., Steinsvoll O.
Neutron quasielastic scattering by (CH₃NH₃)₅Bi₂Cl₁₁.
Physica B-Condensed Matter, 1998, 241-243, 481-483
IF: 0.619
10.1016/S0921-4526(97)00625-X

202. Jóźków Jolanta, Bator Grażyna , Jakubas Ryszard, Baran Jan
On structural phase transition in (i-C₄H₉NH₃)₃Bi₂Br₉: differential scanning calorimetry, dielectric and infrared studies.
Journal of Molecular Structure, 1998, 450, 247-257
IF: 0.807
10.1016/S0022-2860(98)00435-9

203. Pawlaczyk Czesław, Jakubas Ryszard, Unruh H. G.
On the dynamic dielectric behaviour of (CH₃NH₃)₃Sb₂I₉ (MAIA) single crystals.
Solid State Communications, 1998, 108, 247-250
IF: 1.297
10.1016/S0038-1098(98)00318-4

204. Jakubas Ryszard, Jóźków Jolanta, Bator Grażyna
Phase transitions in [C₅H₅NH]₆Bi₄Cl₁₈ crystals.
Journal of the Korean Physical Society, 1998, 32, S302-S304
IF: 0.441

205. Ciąpała Paweł, Jakubas Ryszard, Bator Grażyna , Pietraszko Adam, Kosturek Bogdan
Phase transitions in ferroelastic [P(CH₃)₄]SbCl₆ crystal.
Journal of Physics-Condensed Matter, 1998, 10, 5439-5447
IF: 1.645
10.1088/0953-8984/10/24/020

206. Decressain R., Jakubas Ryszard, Bator Grażyna , Zaleski J., Lefebvre J., Kusz Joachim
Phase transitions in halogenoantimonates(V) crystals ; [N(CH₃)₄]SbCl₆ and [N(C₂H₅)₄]SbCl₆.
Journal of Physics and Chemistry of Solids, 1998, 59, 1487-1498
IF: 0.909
10.1016/S0022-3697(98)00231-5

207. Bator Grażyna , Jakubas Ryszard, Lefebvre J., Guinet Y.
Raman studies of ferroelectric phase transition in [NH₂(CH₃)]₃Sb₂Cl₉(DMACA).
Vibrational Spectroscopy, 1998, 18, 203-210
IF: 1.014
10.1016/S0924-2031(98)00087-3

208. Bator Grażyna , Baran Jan, Jakubas Ryszard, Karbowiak Mirosław
Raman studies of structural phase transition in Cs₃Bi₂Br₉. .
Vibrational Spectroscopy, 1998, 16, 11-20
IF: 1.014
10.1016/S0924-2031(97)00041-6

209. Jakubas Ryszard, Ciąpała Paweł, Pietraszko Adam, Zaleski J., Kusz Joachim
Structure and phase transitions in the [C(NH₂)₃]SbCl₆ crystals.
Journal of Physics and Chemistry of Solids, 1998, 59, 1309-1319
IF: 0.909
10.1016/S0022-3697(98)00037-7

210. Bator Grażyna , Baran Jan, Jakubas Ryszard, Sobczyk Lucjan
The structure and vibrational spectra of some ferroelectric and ferroelastic alkylammonium halogenoantimonates(III) and bismuthates(III).
Journal of Molecular Structure, 1998, 450, 89-100
IF: 0.807
10.1016/S0022-2860(98)00416-5

211. Tritt-Goc J., Piślewski N., Goc R., Piślewska H., Jakubas Ryszard
A nuclear magnetic resonance study of molecular motion in solid tris (n-propylammonium) enneachlorodiantimonate (III) (n-C₃H₇NH₃)₃SbCl₉.
Solid State Nuclear Magnetic Resonance, 1997, 10, 73-78
IF: 1.37

212. Jakubas Ryszard, Bator Grażyna , Góśniowska Małgorzata, Ciunik Zbigniew, Baran Jan, Lefebvre J.
Crystal structure and phase transition of [(CH₃)₂NH₂]GaCl₄.
Journal of Physics and Chemistry of Solids, 1997, 58, 989-998
IF: 1.083
10.1016/S0022-3697(96)00202-8

213. Bator Grażyna , Mróz J., Jakubas Ryszard
Dielectric and ferroelectric properties of the mixed crystals system (CH₃NH₃)₅Bi_2(1-x)Sb_2xCl₁₁.
Physica B-Condensed Matter, 1997, 240, 362-371
IF: 0.991
10.1016/S0921-4526(97)00445-6

214. Baran Jan, Śledź M., Jakubas Ryszard, Bator Grażyna
Ferroelectric phase transition in deuterated glycinium phosphite crystals.
Physical Review B, 1997, 55, 169-172
IF: 2.88
10.1103/PhysRevB.55.169

215. Matyjasek K., Jakubas Ryszard
Influence of the internal bias field on the movement of the domain walls in (CH₃NH₃)₅Bi₂Cl₁₁ crystals.
Ferroelectrics, 1997, 190, 25-30
IF: 0
10.1080/00150199708014088

216. Tritt-Goc J., Piślewski N., Goc R., Piślewska H., Jakubas Ryszard
Molecular motion in solid[(CH₃)₂CHNH₃]₂BiBr₅ and [(CH₃)₂CHNH₃]₂SbBr₅ as studied by proton nuclear magnetic resonance.
Molecular Physics, 1997, 92, 687-692
IF: 1.7
10.1080/002689797169961

217. Ciąpała Paweł, Jakubas Ryszard, Bator Grażyna , Zaleski J., Pietraszko Adam, Drozd M. K., Baran Jan
On structural phase transition in n-butylammonium chloroantimonate(III) and chlorobismuthate(III) crystals: X-ray, differential scanning calorimetry, dilatometric and dielectric dispersion studies.
Journal of Physics-Condensed Matter, 1997, 9, 627-645
IF: 1.479
10.1088/0953-8984/9/3/004

218. Jakubas Ryszard, Jóźków Jolanta, Bator Grażyna , Zaleski J., Baran Jan, François P.
Phase transitions in i-butylammonium halogenoantimonate(III) and bismuthate(III) crystals.
Journal of Molecular Structure, 1997, 436-437, 315-325
IF: 0.884
10.1016/S0022-2860(97)00213-5

219. Carpentier P., Zieliński Piotr, Lefebvre J., Jakubas Ryszard
Phenomenological analysis of the phase transitions sequence in the ferroelectric crystal (CH₃NH₃)₅Bi₂Cl₁₁ (PMACB).
Zeitschrift für Physik B: Condensed Matter, 1997, 102, 403-414
IF: 1.591
10.1007/s002570050305

220. Zdanowska-Frączek M., Medycki Wojciech, Jakubas Ryszard, Piślewski N.
Proton magnetic resonance study of N(CH₃)₄⁺ cation motion in ferroelectric N(CH₃)₄H(Cl₃CCOO)₂.
Physica Status Solidi B-Basic Solid State Physics, 1997, 199, 213-216
IF: 0.826
10.1002/1521-3951(199701)199:1<213::AID-PSSB213>3.0.CO;2-R

221. Sobczyk Lucjan, Jakubas Ryszard, Zaleski J.
Self-assembly of Sb(III) and Bi(III) halo-coordinated octahedra in salts of organic cations. Structure, properties and phase transitions.
Polish Journal of Chemistry, 1997, 71, 265-300
IF: 0.468

222. Mróz J., Jakubas Ryszard
Dielectric and ferroelectric properties of the mixed crystals system (C₃NH₃)₅Bi₂Cl_11(1-x)Br_11x.
Ferroelectrics, 1996, 189, 173-179
IF: 0
10.1080/00150199608213416

223. Baran Jan, Bator Grażyna , Jakubas Ryszard, Śledź M.
Dielectric dispersion and vibrational studies of a new ferroelectric, glycinium phosphite crystal.
Journal of Physics-Condensed Matter, 1996, 8, 10647-10658
IF: 1.487
10.1088/0953-8984/8/49/049

224. Jakubas Ryszard, Bator Grażyna , Medycki Wojciech, Piślewski N., Decressain R., Lefebvre J., François P.
Dilatometric, dielectric and NMR studies of structural phase transitions of the (CH₃NH₃)₃Bi₂Cl₉ (MACB) crystals.
Journal of Molecular Structure, 1996, 385, 145-151
IF: 0.867
10.1016/S0022-2860(96)09437-9

225. Ciąpała Paweł, Bator Grażyna , Jakubas Ryszard, Baran Jan
Infrared studies on structural phase transitions in (n-C₃H₇NH₃)₂SbBr₅.
Ferroelectrics, 1996, 185, 193-196
IF: 0
10.1080/00150199608210511

226. Piślewski N., Tritt-Goc J., Jakubas Ryszard
Molecular motions and phase transitions in solid tris(n-propylammonium) hexabromobismuthate(III).
Physica Status Solidi B-Basic Solid State Physics, 1996, 193, 341-346
IF: 0.862
10.1002/pssb.2221930208

227. Mielcarek S., Biskupski P., Tylczyński Z., Mróz B., Jakubas Ryszard
Piezoelectric properties of MAPCB crystals.
Physica Status Solidi A-Applications and Materials Science, 1996, 158, 427-432
IF: 0.547
10.1002/pssa.2211580210

228. Medycki Wojciech, Piślewski N., Jakubas Ryszard
Proton NMR study of molecular dynamics and phase transitions in [NH₂(CH₃)₂]₃Sb₂Cl₉.
Ferroelectrics, 1996, 185, 205-208
IF: 0
10.1080/00150199608210514

229. Jakubas Ryszard, Ciąpała Paweł, Bator Grażyna , Ciunik Zbigniew, Decressain R., Lefebvre J., Baran Jan
Structural phase transitions in (n-C₃H₇NH₃)₂BiBr₅ and (n-C₃H₇NH₃)₃BiBr₆.
Physica B-Condensed Matter, 1996, 217, 67-77
IF: 0.864
10.1016/0921-4526(95)00537-4

230. Jakubas Ryszard, Bator Grażyna , Zaleski J., Pietraszko Adam, Decressain R.
The structure and phase transition of (CH₃NH₃)₃Sb_2(1-x)Bi_2xCl₉ mixed crystals.
Journal of Physics-Condensed Matter, 1996, 8, 367-381
IF: 1.487
10.1088/0953-8984/8/4/004

231. Ciąpała Paweł, Zaleski J., Bator Grażyna , Jakubas Ryszard, Pietraszko Adam
The structure and phase transition of tris(n-propylammonium) enneachloro-diantimonate (III), (n-C₃H₇NH₃)₃Sb₂Cl₉.
Journal of Physics-Condensed Matter, 1996, 8, 1957-1970
IF: 1.487
10.1088/0953-8984/8/12/010

232. Jakubas Ryszard, Bator Grażyna , Ciąpała Paweł, Zaleski J., Baran Jan, Lefebvre J.
Calorimetric, dielectric, infrared spectra and thermal expansion studies of structural phase transitions in [(CH₃)₂CHNH₃]₂MX₅ (M=Sb, Bi; X=Cl, Br) crystals.
Journal of Physics-Condensed Matter, 1995, 7, 5335-5350
IF: 1.39
10.1088/0953-8984/7/27/018

233. Orzechowski Kazimierz, Bator Grażyna , Jakubas Ryszard
Comparison studies of the influence of an electric field on permittivity close to ferroelectric-paraelectric phase transition in TGS, DMACA and DMABA crystals.
Ferroelectrics, 1995, 166, 139-148
IF: 0
10.1080/00150199508223582

234. Jakubas Ryszard, Bator Grażyna , Mróz J.
Dielectric and pyroelectric studies on [N(CH₃)₄]₃Bi₂X₉ (X= Cl, Br).
Acta Physica Polonica A, 1995, 87, 663-669
IF: 0.364
10.12693/APhysPolA.87.663

235. Bator Grażyna , Jakubas Ryszard
Dielectric dispersion in ferroelectrics [NH₂(CH₃)₂]₃Sb₂Cl₉ and [NH₂(CH₃)₂]₃Sb₂Br₉.
Physica Status Solidi A-Applications and Materials Science, 1995, 147, 591-600
IF: 0.558
10.1002/pssa.2211470230

236. Zaleski J., Bator Grażyna , Jakubas Ryszard
Dielectric properties and characterisation of the superionic phase of [C(NH₂)₃]₂SbCl₅· [C(CH₂)₃]Cl (GHCA).
Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences, 1995, 50a, 888-892
IF: 0.554
10.1515/zna-1995-0916

237. Zaleski J., Medycki Wojciech, Piślewski N., Jakubas Ryszard
DSC, dilatometric, dielectric and ¹H NMR studies of phase transition and molecular motions in [N(C₂H₅)₄]₃M₂Cl₉ (M = Sb, Bi) crystals.
Physica Status Solidi B-Basic Solid State Physics, 1995, 190, 199-210
IF: 0.583
10.1002/pssb.2221900128

238. Miniewicz Andrzej, Żuk W., Jakubas Ryszard
Electro-optic coefficients of ferroelectric PMACB and PMABB crystals.
Ferroelectrics, 1995, 165, 241-248
IF: 0
10.1080/00150199508228303

239. Mróz J., Pykacz H., Jakubas Ryszard
Influence of defects on dielectric properties of (CH₃NH₃)₅Bi₂X₁₁ (X = Cl, Br) crystals.
Acta Physica Polonica A, 1995, 88, 369-374
IF: 0.364
10.12693/APhysPolA.88.369

240. Bator Grażyna , Jakubas Ryszard, Baran Jan, Ratajczak Henryk
Infrared studies of structural phase transitions in (NH₃CH₃)₃Sb₂I₉.
Vibrational Spectroscopy, 1995, 8, 425-433
IF: 1.138
10.1016/0924-2031(94)00073-P

241. Piślewski N., Tritt-Goc J., Goc R., Jakubas Ryszard
Molecular motions in solid [N(CH₃)₂H₂]₃Sb₂I₉ studied by proton nuclear magnetic resonance spectroscopy.
Solid State Nuclear Magnetic Resonance, 1995, 4, 101-104
IF: 2.143
10.1016/0926-2040(94)00038-e

242. Decressain R., Jakubas Ryszard, Lefebvre J.
NMR and dilatometric studies on (CH₃NH₃)₃Sb₂Cl₉ crystals.
Physica Status Solidi A-Applications and Materials Science, 1995, 147, K73-K78
IF: 0.558
10.1002/pssa.2211470238

243. Piślewski N., Tritt-Goc J., Jakubas Ryszard
Nuclear magnetic resonance proton dynamics study of [N(CH₃)₂H₂]₃Bi₂I₉ at low temperature.
Solid State Nuclear Magnetic Resonance, 1995, 4, 323-325
IF: 2.143
10.1016/0926-2040(95)00016-J

244. Matyjasek K., Jakubas Ryszard
Nucleation of domains in (CH₃NH₃)₅Bi₂Br₁₁ crystals.
Ferroelectrics, 1995, 172, 201-205
IF: 0
10.1080/00150199508018476

245. Jakubas Ryszard, Mróz J., François P., Lefebvre J.
Pyroelectric and dilatometric studies on [NH₂(CH₃)₂]₃Sb₂X₉ (X = Cl, Br).
Ferroelectrics, 1995, 173, 221-231
IF: 0
10.1080/00150199508236037

246. Carpentier P., Lefebvre J., Jakubas Ryszard
Structure of pentakis (methylammonium) undecachlorodibismuthate(III), [(NH₃(CH₃)]₅Bi₂Cl₁₁ at 130 K and mechanism of the phase transitions.
Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials, 1995, B51, 167-174
IF: 1.339

247. Zaleski J., Medycki Wojciech, Piślewski N., Jakubas Ryszard
¹H NMR, DSC, dielectric and dilatometric studies of phase transitions and molecular dynamics in N(C₂H₅)₄SbCl₄.
Physica Status Solidi A-Applications and Materials Science, 1994, 144, 81-89
IF: 0.596
10.1002/pssa.2211440109

248. Jakubas Ryszard, Bator Grażyna , Sobczyk Lucjan, Mróz J.
Dielectric and pyroelectric properties of (CH₃NH₃)₃Me₂Br₉ (Me= Sb,Bi) crystals in the ferroelectric phase transition regions.
Ferroelectrics, 1994, 158, 43-48
IF: 0
10.1080/00150199408215991

249. Zaleski J., Jakubas Ryszard, Bator Grażyna , Baran Jan
Dielectric dispersion, dilatometric and infrared studies of tris(guanidinium) enneachlorodiantimonate(III) ([C(HN₂)₃]₃Sb₂Cl₉).
Journal of Molecular Structure, 1994, 325, 95-103
IF: 0.837
10.1016/0022-2860(94)80023-5

250. Matyjasek K., Jakubas Ryszard
Dynamics of domains in (CH₃NH₃)₅Bi₂Br₁₁ crystals.
Acta Physica Polonica A, 1994, A85, 835-841
IF: 0.346
10.12693/APhysPolA.85.835

251. Mróz J., Jakubas Ryszard
Ferroelectric and ferroelastic phase transitions in (CH₃NH₃)₃Sb₂Br₉ crystals.
Ferroelectrics, Letters Section, 1994, 17, 73-78
IF: 0.318
10.1080/07315179408203376

252. Bator Grażyna , Jakubas Ryszard, Baran Jan, Sobczyk Lucjan
Infrared studies of ferroelectric phase transition in [NH₂(CH₃)₂]₃Sb₂Br₉.
Ferroelectrics, 1994, 152, 267-272
IF: 0
10.1080/00150199408017631

253. Bator Grażyna , Jakubas Ryszard, Baran Jan, Ratajczak Henryk
Infrared studies of structural phase transitions in (CH₃NH₃)₃Bi₂I₉ (MAIB).
Journal of Molecular Structure, 1994, 325, 45-51
IF: 0.837
10.1016/0022-2860(94)80016-2

254. Bator Grażyna , Baran Jan, Jakubas Ryszard, Ratajczak Henryk
Infrared studies on structural phase transitions in [NH₂(CH₃)₂]₃Sb₂Br₉ and [NH₂(CH₃)₂]₃Sb₂I_9.
Vibrational Spectroscopy, 1994, 6, 193-204
IF: 1.098
10.1016/0924-2031(94)85006-2

255. Jakubas Ryszard, Bator Grażyna , Sobczyk Lucjan, Zaleski J., Decressain R., Lefebvre J.
Molecular dynamics and phase transitions in tris(dimethylammonium) enneaiododibismuthate(III) as studied by DSC, dilatometric, IR, ¹H NMR and dielectric methods.
Phase Transitions, 1994, 46, 257-267
IF: 0.425
10.1080/01411599408200331

256. Piślewski N., Tritt-Goc J., Jakubas Ryszard
Molecular motions and phase transitions in solid bis-n-propylammonium pentabromoantimonate.
Solid State Nuclear Magnetic Resonance, 1994, 3, 293-297
IF: 0
10.1016/0926-2040(94)90005-1

257. Decressain R., Cochon E., Lefebvre J., Meurer B., Jakubas Ryszard
Molecular motions in solid (CH₃NH₃)₅Bi₂Cl₁₁ as studied by proton nuclear magnetic resonance.
Journal of Physics and Chemistry of Solids, 1994, 55, 139-144
IF: 1.35
10.1016/0022-3697(94)90070-1

258. Przesławski Janusz, Kosturek Bogdan, Jakubas Ryszard, Lingard R., Arzt S., Fitzmaurice A.
Optical properties of PMACB and PMABB crystals.
Ferroelectrics, 1994, 152, 367-372
IF: 0
10.1080/00150199408017648

259. Miniewicz Andrzej, Jakubas Ryszard, Ecolivet C., Girard A.
Raman scattering in ferroelectric (CH₃NH₃)₃Bi₂Br₉ single crystals.
Journal of Raman Spectroscopy, 1994, 25, 371-375
IF: 0.957
10.1002/jrs.1250250514

260. Ramos S., Del Cerro J., Pawłowski A., Jakubas Ryszard
Specific heat and pyroelectric coefficient behaviour of (CH₃NH₃)₅Bi₂Cl₁₁ ferroelectric crystal.
Ferroelectrics, 1994, 159, 173-178
IF: 0
10.1080/00150199408007568

261. Zaleski J., Jakubas Ryszard
The dielectric and dilatometric single crystal studies of phase transitions in a new member of family of halogenoantimonates(III) [C(NH₂)₃]₂SbCl₅·[C(NH₂)₃]Cl.
Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences, 1994, 49A, 709-713
IF: 0.63
10.1515/zna-1994-0609

262. Jakubas Ryszard, François P., Lefebvre J.
Thermal expansion of (CH₃NH₃)₅Bi₂X₁₁ (X = Cl, Br ) crystals in the temperature range from 80 to 300 K.
Acta Physica Polonica A, 1994, A85, 579-583
IF: 0.346
10.12693/APhysPolA.85.579

263. Pavel M., Fousková A., Jakubas Ryszard, Miniewicz Andrzej
Brillouin scattering study of elastic properties in ferroelectric (CH₃NH₃)₅Bi₂Br₁₁ crystal.
Ferroelectrics, 1993, 146, 37-43
IF: 0
10.1080/00150199308008524

264. Jakubas Ryszard, Bator Grażyna , Mróz J.
Dielectric and pyroelectric properties of (CH₃NH₃)₃Bi₂Br₉ crystals in the ferroelectric phase transition region.
Ferroelectrics, 1993, 146, 65-71
IF: 0
10.1080/00150199308008527

265. Bator Grażyna , Jakubas Ryszard, Sobczyk Lucjan, Mróz J.
Dielectric and pyroelectric properties of [N(CH₃)₃H]₃Sb₂Cl₉ in the low temperature region.
Ferroelectrics, 1993, 141, 177-187
IF: 0
10.1080/00150199308223445

266. Marqueton Y., Miniewicz Andrzej, Jakubas Ryszard
Far-infrared reflectivity spectra of two ferroelectric crystals (CH₃NH₃)₅Bi₂Cl₁₁ and (CH₃NH₃)₅Bi₂Br₁₁.
Ferroelectrics, 1993, 145, 109-118
IF: 0
10.1080/00150199308222439

267. Jakubas Ryszard, Galewski Zbigniew, Matuszewski J., Lefebvre J.
Investigations of structural phase transitions in [N(CH₃)₄]₃Bi₂X₉ (X = Cl, Br) and [N(CH₃)₂H₂]₃Sb₂I₉.
Physica Status Solidi A-Applications and Materials Science, 1993, 136, 19-23
IF: 0.573
10.1002/pssa.2211360140

268. Medycki Wojciech, Piślewski N., Jakubas Ryszard
Molecular dynamics of the methylammonium cation in [CH₃NH₃]₅Bi₂Cl₁₁.
Solid State Nuclear Magnetic Resonance, 1993, 2, 197-200
IF: 0
10.1016/0926-2040(93)90025-i

269. Medycki Wojciech, Jakubas Ryszard, Piślewski N., Lefebvre J.
NMR and dilatometric studies on [N(CH₃)₄]₃M₂X₉ (M=Sb, Bi; X=Cl, Br).
Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences, 1993, 48A, 748-752
IF: 0.582
10.1515/zna-1993-0702

270. Pykacz H., Mróz J., Jakubas Ryszard
Phase transitions in (CH₃NH₃)₅Bi₂X₁₁ (X = Cl, Br) crystals.
Acta Physica Polonica A, 1993, 84, 1085-1091
IF: 0.333
10.12693/APhysPolA.84.1085

271. Jakubas Ryszard, Bator Grażyna , Foulon M., Lefebvre J., Matuszewski J.
Structural phase transitions in (n-C₃H₇NH₃)₂SbBr₅.
Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences, 1993, 48A, 529-534
IF: 0.582
10.1515/zna-1993-0314

272. Jakubas Ryszard, Bator Grażyna , Baran Jan
Vibrational study of the structural phase transitions for the (CH₃NH₃)₃Sb₂Br₉ (MABA) and (CH₃NH₃)₃Bi₂Br₉ (MABB) crystals by infrared spectroscopy.
Journal of Physics and Chemistry of Solids, 1993, 54, 1065-1072
IF: 1.473
10.1016/0022-3697(93)90015-J

273. Urban S., Zając Wojciech, Jakubas Ryszard, Carlile C. J., Gabryś Beata
A quasielastic neutron scattering study of molecular reorientation in [(CH₃)₃NH]₃[Sb₂Cl₉](TMACA).
Physica B-Condensed Matter, 1992, 180-181, 1050-1052
IF: 0.939
10.1016/0921-4526(92)90548-7

274. Miniewicz Andrzej, Sworakowski Juliusz, Bertault M., Jakubas Ryszard
Calorimetric study of the phase transitions in tris(dimethylammonium)nonabromodiantimonate(III) and tris(dimethylammonium)nonachlorodiantimonate(III).
Ferroelectrics, 1992, 125, 39-44
IF: 0.773
10.1080/00150199208017041

275. Pawełczak K., Jakubas Ryszard, Planta Klaus, Bruch Christian, Unruh H. G.
Dielectric dispersions in pentakis methyl ammonium bismuthate single crystals: II. (CH₃NH₃)₅Bi₂Cl₁₁.
Journal of Physics-Condensed Matter, 1992, 4, 2695-2700
IF: 1.627
10.1088/0953-8984/4/10/030

276. Pawlaczyk Czesław, Jakubas Ryszard, Planta Klaus, Bruch Christian, Stephan J., Unruh H. G.
Dynamic dielectric behaviour of (CH₃NH₃)₅Bi₂X₁₁ (X:Br, Cl) single crystals.
Ferroelectrics, 1992, 126, 145-150
IF: 0.773
10.1080/00150199208227050

277. Mróz J., Poprawski R., Jakubas Ryszard
Effect of hydrostatic pressure on the ferroelectric phase transition in (CH₃NH₃)₅Bi₂Cl₁₁crystals.
Polish Journal of Chemistry, 1992, 66, 827-833
IF: 0

278. Marqueton Y., Miniewicz Andrzej, Jakubas Ryszard
Far-infrared reflectivity and Raman study in the ferroelectric-ferroelastic crystal of tris(dimethylammonium) nonabromodiantimonate.
Journal of Raman Spectroscopy, 1992, 23, 347-356
IF: 1.043
10.1002/jrs.1250230606

279. Bator Grażyna , Jakubas Ryszard, Majerz Irena, Malarski Zbigniew
Infrared studies of structural phase transitions in [NH₂(CH₃)₂]₃SbBr₆.
Journal of Molecular Structure, 1992, 274, 1-8
IF: 0.943
10.1016/0022-2860(92)80141-4

280. Przesławski Janusz, Kosturek Bogdan, Jakubas Ryszard
Linear birefringence changes in DMACA and TMACA crystals in the phase transitions regions.
Ferroelectrics, 1992, 126, 91-96
IF: 0.773
10.1080/00150199208227041

281. Kozioł P., Furukawa Yoshihiro, Nakamura Daiyu, Jakubas Ryszard
Motions of methylammonium ions in (CH₃NH₃)₃Sb₂I₉ crystals studied by ¹H NMR.
Bulletin of the Chemical Society of Japan, 1992, 65, 1707-1709
IF: 0.876
10.1246/bcsj.65.1707

282. Jakubas Ryszard, Decressain R., Lefebvre J.
NMR and dilatomeric studies of the structural phase transitions of (CH₃NH₃)₃Sb₂I₉ and (CH₃NH₃)₃Bi₂I₉ crystal.
Journal of Physics and Chemistry of Solids, 1992, 53, 755-759
IF: 1.255
10.1016/0022-3697(92)90185-G

283. Krzewska Urszula, Jakubas Ryszard, Dacko Sławomir, Czapla Zbigniew, Waśkowska A.
Phase transitions in (CH₃)₂CHNH₃CdCl₃ crystal.
Acta Physica Polonica A, 1992, 81, 379-384
IF: 0.222
10.12693/APhysPolA.81.379

284. Połomska M., Jakubas Ryszard
Polarization reversal studies of ferroelectric [CH₃)₃NH]₃Sb₂Cl₉ single crystals.
Ferroelectrics, 1992, 126, 359-363
IF: 0.773
10.1080/00150199208227086

285. Orzechowski Kazimierz, Bator Grażyna , Jakubas Ryszard
Preliminary studies of the influence of an electric field on permittivity close to the ferroelectric-paraelectric phase transition in (CH₃NH₃)₅Bi₂Br₁₁ crystal.
Chemical Physics Letters, 1992, 199, 325-328
IF: 2.686
10.1016/0009-2614(92)80126-V

286. Carpentier P., Lefebvre J., Jakubas Ryszard
Raman studies of the ferroelectric phase transitions in (CH₃NH₃)₅Bi₂Cl₁₁ (MAPCB): I. The Internal vibrations of the methylammonium cation.
Journal of Physics-Condensed Matter, 1992, 4, 2985-2999
IF: 1.627
10.1088/0953-8984/4/11/023

287. Carpentier P., Lefebvre J., Jakubas Ryszard
Raman studies of the internal modes in ferroelectric crystal (CH₃NH₃)₅Bi₂Cl₁₁ (MAPCB).
Ferroelectrics, 1992, 125, 401-406
IF: 0.773
10.1088/0953-8984/4/11/023

288. Pawłowski A., Jakubas Ryszard, Ramos S., Del Cerro J.
Specific heat behaviour of (CH₃NH₃)₅Bi₂Br₁₁ near its ferroelectric transition.
Ferroelectrics, 1992, 125, 29-32
IF: 0.773
10.1080/00150199208017039

289. Pykacz H., Mróz J., Jakubas Ryszard
The internal bias field of ferroelectric (CH₃NH₃)₅Bi₂Br₁₁.
Acta Physica Polonica A, 1992, 81, 667-673
IF: 0.222
10.12693/APhysPolA.81.667

290. Pykacz H., Jakubas Ryszard
Dilatometric study of the phase transition in (CH₃NH₃)₅Bi₂Cl₁₁.
Acta Physica Polonica A, 1991, 79, 695-697
IF: 0.343

291. Mróz J., Jakubas Ryszard
Investigation of phase transitions in (CH₃NH₃)₅Bi₂Cl₁₁ crystals by pyroelectric method.
Ferroelectrics, 1991, 118, 29-33
IF: 0.463

292. Miniewicz Andrzej, Jakubas Ryszard
Linear electro-optic effect in a ferroelectric crystal of (CH₃NH₃)₅Bi₂Cl₁₁ (PMACB).
Journal of Molecular Electronics, 1991, 7, 55-62
IF: 1.35

293. Miniewicz Andrzej, Jakubas Ryszard, Zaleski J.
Measurements of pyroelectric properties in [(C₂H₅)₄N]₃Sb₂Br₉.
Ferroelectrics, 1991, 118, 23-28
IF: 0.463

294. Baran Jan, Ilczyszyn Maria M., Jakubas Ryszard, Ratajczak Henryk
Polarized infrared spectra of ammonium hydrogen bis-chloroacetate in the paraelectric phase.
Journal of Molecular Structure, 1991, 246, 1-12
IF: 0.942

295. Miniewicz Andrzej, Jakubas Ryszard
Pyroelectric properties of a novel uniaxial ferroelectric crystal (CH₃NH₃)₅Bi₂Br₁₁.
Ferroelectrics, 1991, 115, 119-127
IF: 0.463

296. Miniewicz Andrzej, Lefebvre J., Jakubas Ryszard
Raman studies of structural phase transition in [NH₂(CH₃)₂]₃Sb₂Cl₉ (DMACA).
Journal of Raman Spectroscopy, 1991, 22, 435-443
IF: 0.96

297. Lefebvre J., Carpentier P., Jakubas Ryszard
Structures and phase transition in the ferroelectric crystal of pentakis(methylammonium) undecachlorodibismuthate(III): {NH₃(CH₃)]₅Bi₂Cl₁₁.
Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials, 1991, B47, 228-234
IF: 1.514
10.1107/S0108768190011624

298. Bator Grażyna , Jakubas Ryszard, Malarski Zbigniew
Study of the structural phase transitions of (CH₃NH₃)₃Sb₂Cl₉ (MACA) and (CH₃NH₃)₃Bi₂Cl₉ (MACB) by infrared spectroscopy.
Journal of Molecular Structure, 1991, 246, 193-202
IF: 0.942
10.1016/0022-2860(91)80126-O

299. Przesławski Janusz, Kosturek Bogdan, Jakubas Ryszard
Temperaturnye izmeneniâ linejnogo dvuprelomleniâ v kristallah MACB.
Izvestiâ Akademii Nauk SSSR. Seriâ Fiziečskaâ, 1991, T. 55, 510-514
IF: 0.166

300. Lefebvre J., Carpentier P., Jakubas Ryszard, Sobczyk Lucjan
The para-ferroelectric phase transitions in (NH₃(CH₃)₅Bi₂Cl₁₁. (P.M.A.C.B.).
Phase Transitions, 1991, 33, 31-41
IF: 0.721
10.1080/01411599108207709

301. Cach R., Jakubas Ryszard
Determination of Landau free-energy parameters by dielectric measurements in (CH₃NH₃)₅Bi₂Cl₁₁ crystals.
Ferroelectrics, 1990, 108, 121-126
IF: 0.463
10.1080/00150199008018743

302. Pawlaczyk Czesław, Motsch H., Jakubas Ryszard, Unruh H. G.
Dielectric behaviour of the new ferroelectric (CH₃NH₃)₅Bi₂Br₁₁ in the microwave region.
Ferroelectrics, 1990, 108, 127-132
IF: 0.463

303. Mróz J., Poprawski R., Kolarz A., Jakubas Ryszard
Dielectric properties of (CH₃NH₃)₅Bi₂Br₁₁ crystals under hydrostatic pressure.
Solid State Communications, 1990, 76, 821-824
IF: 1.764
10.1016/0038-1098(90)90634-N

304. Połomska M., Jakubas Ryszard
Dynamics of ferroelectric domains in (CH₃NH₃)₅Bi₂Br₁₁ studied by liquid crystal decoration technique.
Ferroelectrics, 1990, 106, 57-62
IF: 0.463
10.1080/00150199008214559

305. Kozioł P., Jakubas Ryszard
Effect of hydrostatic pressure on the phase transitions in (CH₃NH₃)₃ Sb₂Br₉.
Physica Status Solidi A-Applications and Materials Science, 1990, 120, K93-K94
IF: 0.414
10.1002/PSSA.2211200147

306. Kosturek Bogdan, Przesławski Janusz, Jakubas Ryszard
Ferroelastic twins and linear birefringence in DMACA crystal.
Solid State Communications, 1990, 75, 673-676
IF: 1.764
10.1016/0038-1098(90)90222-W

307. Miniewicz Andrzej, Jakubas Ryszard, Ecolivet C.
Ferroelasticity of [NH₂(CH₃)₂]₃Sb₂Br₉ (DMABA).
Ferroelectrics, 1990, 106, 249-254
IF: 0.463
10.1080/00150199008214591

308. Mróz J., Jakubas Ryszard
Ferroelectric phase transitions of (CH₃NH₃)₅Bi₂Cl₁₁.
Ferroelectrics, Letters Section, 1990, 11, 53-56
IF: 0.542
10.1080/07315179008200793

309. Miniewicz Andrzej, Jakubas Ryszard
Linear electro-optic effect in a ferroelectric crystal: (CH₃NH₃)₅Bi₂Br₁₁.
Journal of Molecular Electronics, 1990, 6, 113-117
IF: 1.35

310. Medycki Wojciech, Zimpel Z., Piślewski N., Jakubas Ryszard
Molecular dynamics in [N(CH₃)₄]₃Sb₂Cl₉.
Solid State Communications, 1990, 76, 869-871
IF: 1.764
10.1016/0038-1098(90)90646-S

311. Miniewicz Andrzej, Jakubas Ryszard
On the nature of the low temperature phase transition in (CH₃NH₃)₃Bi₂I₉ studied by pyroelectric method.
Ferroelectrics, 1990, 110, 261-269
IF: 0.463

312. Bator Grażyna , Jakubas Ryszard, Malarski Zbigniew, Galewski Zbigniew, Matuszewski J., Miniewicz Andrzej
Phase transition in solid 2,2,4,4-tetramethyl-pentan-3-ol (TMP).
Journal of Molecular Structure, 1990, 240, 39-46
IF: 0.942
10.1016/0022-2860(90)80494-5

313. Jakubas Ryszard, Zaleski J., Sobczyk Lucjan
Phase transitions in (CH₃NH₃)₃Bi₂I₉ (MAIB).
Ferroelectrics, 1990, 108, 109-114
IF: 0.463
10.1080/00150199008018741

314. Jakubas Ryszard, Sobczyk Lucjan
Phase transitions in alkylammonium halogenoantimonates and bismuthates.
Phase Transitions, 1990, 20, 163-193
IF: 0.721
10.1080/01411599008206873

315. Galewski Zbigniew, Jakubas Ryszard, Sobczyk Lucjan
Phase transitions in dimethylammonium halogenoantimonates (III).
Acta Physica Polonica A, 1990, A78, 645-650
IF: 0.343

316. Zaleski J., Jakubas Ryszard, Sobczyk Lucjan, Mróz J.
Properties and structural phase transitions of (CH₃NH₃)₃Sb₂I₉.
Ferroelectrics, 1990, 103, 83-90
IF: 0.463
10.1080/00150199008211375

317. Mróz J., Czapla Zbigniew, Jakubas Ryszard
Pyroelectric properties, domain structure and ferroelectricity of (CH₃NH₃)₃Bi₂Br₉ single crystals.
Acta Physica Polonica A, 1990, A77, 501-506
IF: 0.343

318. Miniewicz Andrzej, Lefebvre J., Jakubas Ryszard
Raman scattering in ferroelectric [NH₂(CH₃)₂]₃Sb₂Cl₉ (DMACA).
Ferroelectrics, 1990, 107, 183-188
IF: 0.463
10.1080/00150199008221535

319. Jakubas Ryszard, Lefebvre J.
Structure and mechanism of ferroelectric phase transitions in (CH₃NH₃)₅Bi₂Cl₁₁ and (CH₃NH₃)₅Bi₂Br₁₁.
Ferroelectrics, 1990, 108, 115-120
IF: 0.463
10.1080/00150199008018742

320. Matuszewski J., Jakubas Ryszard, Sobczyk Lucjan, Głowiak Tadeusz
Structure of pentakis(methylammonium) undecabromodibismuthate.
Acta Crystallographica Section C: Structural Chemistry, 1990, C46, 1385-1388
IF: 0.459
10.1107/S0108270189012072

321. Zaleski J., Jakubas Ryszard, Sobczyk Lucjan
Succesive phase transitions and ferroelasticity of [(CH₃)₂NH₂]₃Bi₂I₉.
Phase Transitions, 1990, 27, 25-36
IF: 0.721
10.1080/01411599008206897

322. Jakubas Ryszard
A new ferroelectric compound: (CH₃NH₃)₅Bi₂Br₁₁.
Solid State Communications, 1989, 69, 267-269
IF: 2.52
10.1016/0038-1098(89)90848-X

323. Jakubas Ryszard, Sobczyk Lucjan, Lefebvre J.
A new ferroelectric crystal: (CH₃NH₃)₅Bi₂Cl₁₁.
Ferroelectrics, 1989, 100, 143-149
IF: 1.62
10.1080/00150198908007908

324. Ecolivet C., Miniewicz Andrzej, Jakubas Ryszard
Brillouin scattering studies of ferroelectric tris(dimethylammonium)nonabromodiantimonate(III).
Solid State Communications, 1989, 71, 143-147
IF: 2.52
10.1016/0038-1098(89)90451-1

325. Zaleski J., Głowiak Tadeusz, Jakubas Ryszard, Sobczyk Lucjan
Crystal structure and phase transitions of [(C₂H₅)₄N]₆Bi₈Cl₃₀.
Journal of Physics and Chemistry of Solids, 1989, 50, 1265-1269
IF: 0.916
10.1016/0022-3697(89)90399-5

326. Jakubas Ryszard, Pykacz H.
Dilatometric study of the ferroelectric phase transition in (CH₃NH₃)₅Bi₂Br₁₁.
Physica Status Solidi A-Applications and Materials Science, 1989, 115, 17-18
IF: 0.596

327. Kozioł P., Jakubas Ryszard
Effect of hydrostatic pressure on the phase transitions in (CH₃NH₃)₃Bi₂Br₉.
Solid State Communications, 1989, 72, 143-145
IF: 2.52
10.1016/0038-1098(89)90895-8

328. Połomska M., Szcześniak L., Jakubas Ryszard, Meyer K.-P., Blumtritt H.
Ferroelectric domain structure of (CH₃NH₃)₅Bi₂Br₁₁ single crystals.
Ferroelectrics, Letters Section, 1989, 10, 107-112
IF: 1.141
10.1080/07315178908200746

329. Mróz J., Jakubas Ryszard
Ferroelectricity in (CH₃NH₃)₅Bi₂Br₁₁ crystals.
Solid State Communications, 1989, 72, 813-816
IF: 2.52
10.1016/0038-1098(89)90915-0

330. Piekara-Sady L., Jakubas Ryszard, Piślewski N.
Molecular motions in a novel ferroelectric crystal (CH₃NH₃)₅Bi₂Br₁₁ studied by NMR.
Solid State Communications, 1989, 72, 585-587
IF: 2.52
10.1016/0038-1098(89)91038-7

331. Kosturek Bogdan, Jakubas Ryszard
Optical birefringence of (CH₃NH₃)₅Bi₂Br₁₁.
Physica Status Solidi A-Applications and Materials Science, 1989, 114, 111-113
IF: 0.596
10.1002/pssa.2211140171

332. Jakubas Ryszard, Tomaszewski P. E., Sobczyk Lucjan
Phase transition in (CH₃NH₃)₃Bi₂Cl₉.
Physica Status Solidi A-Applications and Materials Science, 1989, 111, 27-29
IF: 0.596
10.1515/9783112495100-051

333. Jakubas Ryszard, Miniewicz Andrzej, Bertault M., Sworakowski Juliusz, Collet A.
Phase transitions in ferroelectric nonachlorodiantimonate [(CH₃)₃NH]₃Sb₂Cl₉ studied by calorimetric and dielectric methods.
Journal de Physique, 1989, 50, 1483-1491
IF: 0.924
10.1051/jphys:0198900500120148300

334. Miniewicz Andrzej, Jakubas Ryszard, Ecolivet C., Girard A.
Raman scattering in ferroelectric [NH(CH₃)₃]₃Sb₂Cl₉ single crystals.
Journal of Raman Spectroscopy, 1989, 20, 381-389
IF: 0.973
10.1002/jrs.1250200607

335. Zaleski J., Jakubas Ryszard, Galewski Zbigniew, Sobczyk Lucjan
Structural phase transitions in [(C₂H₅)₄N]₃Sb₂Br₉ and [(C₂H₅)₄N]₃Bi₂Br₉.
Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences, 1989, 44, 1102-1106
IF: 0.899
10.1515/zna-1989-1110

336. Jakubas Ryszard, Sobczyk Lucjan
Structure and properties of a novel ferroelectric crystal: (CH₃NH₃)₅Bi₂Br₁₁.
Ferroelectrics, 1989, 92, 365-368
IF: 1.62
10.1080/00150198908211360

337. Miniewicz Andrzej, Sworakowski Juliusz, Jakubas Ryszard, Bertault M., Ecolivet C.
Studies of phase transitions in new ferroelectric crystal [NH(CH₃)₃]₃Sb₂Cl₉.
Ferroelectrics, 1989, 94, 323-328
IF: 1.62
10.1080/00150198908014275